record the element names, chemical symbols, and atomic numbers for the following 14 elements along with observations of the physical characteristics or chemical reactions shown. Hydrogen White Phosphorous Copper Bromine Cerium Rhenium Thorium Einsteinium Dubnium In addition to the element name, chemical symbol, and atomic number, name the color of the following noble gases when they are illuminated. Helium Neon Argon Krypton Xenon

Q: The following trace elements have been found to be crucial tothe functions of the body. Indicate…

A: Metalloids have properties in between those of the metals and non-metals and are semiconductors…

Q: Which of the following atoms is the most metallic? Link to Physical Constants Link to Periodic Table…

A: Metal:Metals are situated on the left-hand side of the periodic table. The metals are…

Q: Indicate the physical state for each of the following elements at 25 °C and normal pressure.…

A: There are three physical state of matter; solid, liquid and gas.

Q: Which of the following lists contain an alkali metal, a halogen and a metalloid (semi-metal) in that…

A: In the periodic table, alkali metals are Group-1 elements.  Halogens are Group-17…

Q: The element in period 3, group 2: _________________ The element in period 5, group 13:…

A: The correct assignment of the desired elements and their catagory can be done based on their…

Q: Dr. Robert Pappas teaches that in essential oil chemistry, 99.9% of the time we are only concerned…

A: 1. Essential oils are complex mixture of plant compounds. 2. They are volatile 3. They are…

Q: What is the chemical symbol of the element found in the 4th family and 5th period of the periodic…

A: Carbon family is called 4th family and there elements are C , Si , Ge , Sn , Pb , Fl

Q: 14. Identify the group number for each of these sets of elements. Then chose 2 of these groups and…

A:

Q: HA Element Investigation Directions: Research an element and prepare a piece of the periodic table.…

A: We have to tell about Hydrogen, its Physical amd chemical properties

Q: Identify each of the following elements as a metal, a nonmetal, or a metalloid. Drag the appropriate…

A: Metals : It is a solid material that are have a properties of hard, malleable, shiny, ductile, with…

Q: Draw the energy-level diagram for the atom of each of the following elements: (a) boron (b)…

A: The energy-level diagram for the atom of each of the following elements has to be drawn.

Q: Complete the sentences below.  If the element symbol is provided, complete the sentence with the…

A:

Q: For each of the following chemical symbols, determine the number or element symbol that goes in the…

A: The atomic number of an atom is equal to the number of protons present in the atom. For a neutral…

Q: List the symbol and atomic number of each element. (a) boron(b) neon(c) silver(d) mercury(e) curium

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3 sub-parts. Please resubmit the…

Q: beryllium hypochlorite scandium(I) chromate hydrogen telluride

A:

Q: Match each of the following five Noble Gases with it's correct property - there are five dropdown…

A: He, Ne, Ar, Kr and Xe are inert gas elements. They have very less propensity to form compound.

Q: What are the chemical symbols and atomic number of Barium Ba and Magnesium Mg

A: According to the periodic table Barium belongs to group 2 ,while magnesium also belongs to group 2 .

Q: 4. Identify the following elements as either metal, metalloid, or non-metal: a. Cd b. Br c. Si

A: Given  Element = Cd , Br , Si  Metal , Non metal , Metalloid = ?

Q: Classify the family of each of the following elements as alkali metals, alkaline earth metals,…

A: Element Family Period   Hydrogen Alkali metal 1   Barium Alkaline earth metal 6   Potassium…

Q: Which of these elements is chemically similar to magnesium? O Sulfur Calcium Iron O Nickel Potassium

A: The elements placed in same group of the periodic table have same number of electrons and hence are…

Q: The atom of this element has 5 valence electrons and 2 energy levels. strontium nitrogen barium…

A: The atom of this element has 5 valence electrons and 2 energy levels ?

Q: Which of the following elements is a good conductor of heat and electricity? neon chlorine carbon…

A: Substance having free electrons undergo movement, By movement they conduct electricity.  These free…

Q: Which of the following elements is tetratomic in its standard state? O sulfur selenium carbon O…

A: The elements given are sulfur i.e. S, selenium i.e. Se, carbon i.e. C and phosphorus i.e. P.

Q: Students were asked to identify the location of elements in the periodic table based on clues…

A: answer is  option 4

Q: Which of the following defines the atomic number of a given element?     The number of electrons in…

A:

Q: What element has 6 electrons in its highest energy shell? O Magnesium Oxygen Nitrogen O Aluminum

A: Here we are asked which element has 6 electrons in its highest energyshell from the given options.

Q: 1. The vertical columns in the periodic table are called _ halogens periods groups valence 2. Which…

A: Answer of problem 1,2,3 are as follows:

Q: Give the name of the elements in each group of three element symbols. a. Au, At, Ag b. N, Na, Ni c.…

A: The name of the given element symbols in each group has to be given.

Q: What is the name given to group 7A     alkali metals      alkaline earth metals…

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: Use the Periodic Table to arrange the following elements according to increasing atomic size.…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: write the element symbol for the following elelments, circle the elements that are transition…

A: Element symbols for chemical elements normally consist of one or two letters from the Latin alphabet…

Q: All metallic elements are solid at room temperature except _________. A. sodium B. calcium C.…

A: At room temperature, mercury is not at solid state. Mercury is  liquid above 0°C Temperature This is…

Q: Locate each of the following elements in the periodic table;give its name and atomic number, and…

A: Metals are those substances or minerals which forms naturally below the surface of the earth. They…

Q: Which of the following elements would be expected to have chemical and physical properties most…

A:

Q: He arranged elements into increasing atomic numbers and found that there is a periodic repetition of…

A:

Q: Which of the following elements has the smallest value of IE3? Select the correct answer below: Na…

A: Introduction : Ionisation energy is defined as the amount of energy required by an isolated gaseous…

Q: Refer to the periodic table and select the symbol of the element that fits each of the following…

A: 1) the fourth-period alkali metal : Since the first group elements are known as alkali metals. Hence…

Q: Classify each of the following fourth-row elements as an alkali metal, an alkaline earth metal, a…

A:

Q: Identify the element that fits each description. An alkali metal in period 6 a main group element in…

A: Given :-  An alkali metal in period 6 a main group element in period 3, group 7 A main group…

Q: Which of the following are paired correctly? Chlorine Cl2 Sulfur S4 Phosphorus Nitrogen N

A: We know that, Chemical symbol of , Nitrogen is N

Q: A student is asked to identify an element that is highly reactive, solid, and conducts electricity…

A: Highly reactive , solid and conductor of electricity , element present at location 1.  It is…

Q: Identify each of the following elements as a metal, a nonmetal, or a metalloid. Drag the appropriate…

A: the given element is classified into the following categories:

Q: ue False Elements of the same group have simīlar physical and chemical properties. There are more…

A: 1.  True. - elements of same groups have similar physical and chemical properties. 2.  False. -…

Q: Identify the group number corresponding to each of the following families of elements. alkali…

A: In the modern periodic table, there are seven-period and eighteen groups. In a group, the electronic…

Q: ● Type the letter of the element that is a halogen in the 2nd period A/ ● Type the letter of one…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Identify these elements based on their locations in the periodic table. Give the symbol, not the…

A: Symbol of the given locations---

Q: 12, Which of the statements is not correct about the element germanium? Group of answer choices A,…

A: Germanium is an element with an atomic number 32. The germanium atom has 32 protons and 32…

Q: Much of the evidence for the existence of atoms comes from Multiple Choice chemistry. mechanics.…

A: Atom is the smallest individual particle having its existence.

Q: Which one of the elements below has a single atom as its representative particle?  A) nitrogen B)…

A: The given elements are Nitrogen, iron, argon and Phosphorus.

Q: Read each description in the first column of the table below. If any chemical element with atomic…

A: We would use periodic table to answer these questions.

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.