Fill in the blanks. Silicon has an atomic number of 14. The innermost energy level of Silicon contains (#)electrons and the valence energy level contains (#) electrons

Q: How many elements are in the 6th period of the periodic table?

A: Periods are the horizontal rows in the periodic table.

Q: Which of the following statements regarding atomic structure is the FALSE one?   A. All of the…

A: A. An atom consists of positively charged particle known as nucleus. Thus, the statement that all of…

Q: In all enemy's in a group the thing that is the same is the? Number of electrons in the valence…

A: Atom is made up of protons, electrons and neutrons subatomic particles. Electrons revolve around…

Q: What are the positively charged particles of an atom called? A NEUTRON B ELECTRON C PROTON D…

A: Charged particles are the basic elements of physics. In the universe, there are two types of charges…

Q: The electron configuration of an atom shows O the maximum number of electrons each electron energy…

A: This question may be  objective if yes then answer below

Q: Fill in the correct value for each position in the atomic symbol for an atom containing 26 protons,…

A: An atomic symbol consists of four parts. Mainly it consists of the chemical symbol for the…

Q: Define Four Groups Around an Atom ?

A: SOLUTION: Step 1: An atom with four groups around it or four pairs of electrons is basically defined…

Q: It has the wrong number of electrons in the first energy level? It has the incorrect number of…

A: Atomic number of calcium = 20

Q: How many electrons are contained in an ion formed from an atom of Ga?

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

Q: What is the atomic number of the transition metal Gold (Au)?

A: Atomic number of gold is  79

Q: What elements are in the mystery star #15? Helium Hydrogen Sodium Lithium O lithium and helium O…

A: The spectra of elements given are,

Q: Determine the number of valence electrons for each of the atoms. Enter each answer as a numeral. For…

A: Valence electrons are the electrons which are present in the outermost shell of an atom.

Q: 34. Which statement about electrons is false?(a) Most atoms have more electrons than protons.(b)…

A: Atomic Structure: According to atomic structure an atom is composed of three subatomic particles.…

Q: An element has an atomic number of 35. If an atom of that element is in a form wherein it has a…

A: The given element has atomic number 35. If the element has -1 charge, it means that there is…

Q: 4. Define an atom – 5. Label each of the parts of the atom on the diagram to the right. 6. Fill in…

A: An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid,…

Q: How many 3? electrons are found in each of the following elements? nickel, ?= 28 vanadium, ? = 23…

A:

Q: How can the periodic table be used to determine the number of valence electrons of a given element?…

A: The groups of the periodic table indicate the number of valence electrons of a given element. For…

Q: How many electrons, neutrons and protons would be found in an atom of oxygen-14 (atomic number 8)?

A:

Q: 20. The atoms of the elements in Group 2 have the same (1) mass number (2) atomic number (3) number…

A: Both answer is given below

Q: A chemist is identifying the elements present in a sample of seawater. What characteristic of an…

A: i think The number of proton is essential for the identity of the element because it gives you a…

Q: A neutral atom with an atomic number of five has how many electrons? (A) 1 (B) 5 (C) None (D)…

A: Given that, Neutral atom having atomic no. =5

Q: Identify the following atoms using their symbols: a. contains 20 protons b. contains 12 electrons…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Calculate the atomic number and atomic mass number for atoms with a- 4 electrons and 2 neutrons b-…

A: no of electron is equal to the number of the proton in a neutral atom.  The atomic number is the no…

Q: I have an atom with 4 protons, 3 neutrons and 4 electrons, what is it's charge neutral negative…

A: proton = electron

Q: 11. Which element is represented in this model if the atomic number is 3?

A:

Q: 1. Periodic table and electron configurationa) How many protons, electrons and Neutrons does the…

A: Hey, since there are multiple sub-parts posted, we will answer first three sub-parts. If you want…

Q: In the Uncertainly Principle, which two things about an electron cannot be fully known at the same…

A:

Q: Consider starting with a fluorine atom with 9 electrons. If it were possible to remove one proton…

A: The addition of electron or removal of proton will change the atom radius because of change in…

Q: Fill out the following information for the element Fluorine. Atomic #: Protons: Electrons: Neutrons:…

A: Element Fluorine Symbol = F Atomic number = 9  mass number = 19    * Number of proton = atomic…

Q: consider an atom of 63cu. how many protons neutrons and electrons does this atom contain

A: All the element in periodic table, have various number of isotopes. The atomic number of an element…

Q: A. Argon has three naturally occurring isotopes, Ar-36, Ar-38 and Ar-40. Fill up the table the table…

A:

Q: The Periodic Table of the Elements From their location in the Periodic Table, which of the following…

A: The element which can lose two electrons can be explained with the help of octet rule i.e. every…

Q: Which statement about electrons is false?(a) Most atoms have more electrons than protons.(b)…

A: Electron was discovered by J.J.Thomson. Electron is a subatomic particle with a symbol e-. Electron…

Q: Which subatomic particle is transmitted through electric current? A. proton B. electron C.…

A: Which subatomic particle is transmitted through electric current?

Q: please answer these two questions.   1. write the electron configuration for magnesium atom.…

A: The electron configuration for magnesium atom is      Mg =  1s2 , 2s22p6 , 3s2

Q: 7. Which of the following are incorrectly paired? a) K, alkali metal b) Ba, alkaline earth metal c)…

A: Since, you have asked multiple questions, we will solve the first question for you.  Question-7 : In…

Q: what is the atomic number of an ion with a positive three charge when it has 12 electrons? A) 18 B)…

A: Atomic number (Z) :-  The number of protons present inside the nucleus of an atom is called atomic…

Q: many protons, neutrons, and electrons are in the following isotope of copper:"Cu? rotons eutrons…

A: Proton -29 Electron -29

Q: 2. Which chemical group is being described? (for example IA, transition elements, etc.) a. Family…

A: In the periodic table , Each elements have its own property  Alkali metals are reactive and…

Q: 36. Why are atoms electrically neutral? * a. They have the same number of protons and neutrons which…

A: Concept:  Atomic structure: Atoms consist of three basic particles: 1. protons 2. electrons 3.…

Q: 1. When an atom gains 2 electrons, it turns in to a(n) A. cation with a 2* charge B. cation with a 2…

A: Concept: Atoms on gain of electron forms anion with negative charge. Atom on loss of electron forms…

Q: An atomic anion with a charge of –1 has the following electron configuration: [He] 25°2 p* 4 What is…

A:

Q: Metals tend to gain electrons becoming positively charged cations

A: A positively charged cation is formed when an atom loses electrons. A negatively charged anion is…

Q: Multiple Choice have no charge. are the same as electrons. are the same as helium ions.

A: The question is based on the concepts of nuclear chemistry. there are additional subatomic particles…

Q: 13. For the following elements state their Name, Period, Group #, Family Name and type of element?…

A:

Q: If abbreviated as 24Na2+ 1 atom of this substance would have____ protons,____neutrons, and____…

A:

Q: What is the neutral atom that has its first two energy levels filled, has 7 electrons in its third…

A: Identify the element name--

Q: How many valence electrons are there for the following atoms: (a) B fill in blank (b) Se fill in…

A: (a) B Atomic number = 5 Electronic configuration=1s22s2 2p1 The number of electrons in outermost…

Q: What do you call a substance that bears both a positive and a negative charge? A anion B cation…

A: