Is astatine a nonmetal metal or metalloid

Q: MCQ 118: In the Periodic table, the Alkaline earth metals are found in A. Period II B. Period III C.…

A: Ans C) group 11

Q: An element reacts with oxygen to form an oxide which dissolves in dilutehydrochloric acid The oxide…

A: The oxide form of an element in HCl turns red litmus to blue. This gives clear picture that given…

Q: Show the locations of (a) alkali metals, (b) alkalineearth metals, (c) the halogens, and (d) the…

A: Since you have posted questions with multiple subparts, we will solve the first three sub parts for…

Q: Name one metalloid in period 4 and one non-metal in period 5:

A: The metalloid in period 4 is ,        Germanium  (Ge)       Arsenic (As)

Q: Determine whether each element is a main-group element.a. tellurium b. potassiumc. vanadium d.…

A: Main group elements are the elements of s and p block. In s-block , group 1 and group 2 are present.

Q: What are the categories in the periodictable? (Metals, non-metals, noble gasses)

A: Categories in the periodic table are : 1). Metal :  Metal are lustrous materials which are good…

Q: give examples of transition elements.

A: The transition elements contain either d subshells which are incomplete or that readily lose…

Q: Which of the following elements is an halogen?

A: The elements which belong to the 17th group of the modern periodic table are called halogens. The…

Q: Which elements are considered to be representative elements?

A: Whole periodic table classified into 3 parts:-  Transition elements  Representative elements…

Q: Write the name of element and classify it as a metal, nonmetal, or metalloid. Ba

A:

Q: Which is true elemental potassium? A. It is a nonmetal B. It is a group II element C. It is a liquid…

A: Potassium is an element present in along with the alkali metals in the first group of periodic…

Q: Classify the following three elements as a metal, metalloid, or nonmetal: P, Si, Al.

A: Answer -  1. Al  - Metal   Explanation  - Aluminum (Al), also spelled aluminium, chemical element, a…

Q: ient, that element could be a metal. metalloid. nonmetal.

A: Quantum number helps to predict the position of electron , spin of electron. Quantum numbers are of…

Q: Choose all of the following that apply to oşmium, Os. a. Metalloid b. Alkali metal Oc. Transition…

A:

Q: What alkaline earth metal is located in period 4 of the periodic table of elements? اختر احدى…

A: The question is based on the concept of inorganic chemistry. We have  to identify the alkaline earth…

Q: Classify each element as a metal, a semimetal, or a nonmetal. Metal Semimetal (metalloid) Nonmetal

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Write the name of element and classify it as a metal, nonmetal, or metalloid. O

A:

Q: Classify each element in the fourth row of the periodic table as a metal, nonmetal, or metalloid.

A: An atom is composed of three main sub-atomic particles; electrons, neutrons, and protons. The atomic…

Q: Why does the fourth period in the periodic table contain 18 elements?

A: The periodic table is the tabular arrangement of elements which are arranged in the increasing order…

Q: How many core electrons does nickel contain? O 26 O 18 O 2

A: How many core electron in Nickel ?

Q: Elements that lie on the left side of the periodic table are generally non-metals?

A:

Q: Write the name of element and classify it as a metal, nonmetal, or metalloid. I

A: Metals are opaque, lustrous elements that are good conductors of heat and electricity. Most metals…

Q: Write the symbol for element and classify it as a metal, nonmetal, or metalloid. fluorine

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: Write the name of element and classify it as a metal, nonmetal, or metalloid. K

A: Given elemental symbol is K. Is it a metal or nonmetal or metalloid?

Q: Write the symbol for element and classify it as a metal, nonmetal, or metalloid.argon

A: The periodic table is the regular arrangement of elements in order of increasing atomic number. It…

Q: where is metalloids located in the periodic table

A: The periodic table is the table in which each element is arranged in increasing order of their…

Q: Give the general characteristics of the long form of Modern periodic table?

A: The modern periodic law states that “the properties or characteristics of the elements (both…

Q: The category of includes the majority of the elements on the periodic table. : Metals : Nonmetals :…

A: Periodic table comprises 18 groups and 7 periods. Metals are present on the left side of the…

Q: What is the most common ion of Lithium? How many neutrons does it have?

A: Most common ion of lithium = ?  Number of neutrons in this ion = ?

Q: Write the name of element and classify it as a metal, nonmetal, or metalloid. Sb

A: Metal: these are lie on the left side and middle of the periodic table. Metals are good conductors…

Q: Write any two similarties between lithium and magnesium.

A: Magnesium and lithium exhibit a diagonal relation. Lithium differs from other alkali metals due to…

Q: Elements of a group in the periodic table

A: The periodic table is the arrangement of chemical elements according to their atomic number. These…

Q: Classify each element as a metal, nonmetal,or metalloid.

A: Boron shows both metal and non metal characteristics, it behaves like a  non-metal when it reacts…

Q: Name each of the following oxides. Assuming that thecompounds are ionic, what charge is associated…

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

Q: what are metalloids?

A: given,Metalloids

Q: isoelectronic

A:

Q: Is hydrogen metal nonmetal metalloid

A: Answer= non-metal.

Q: Completely the followin

A: Modern periodic table is divided into 7 periods and 18 groups  Based on differenciating electron…

Q: Which of the following is an example of a metalloid? Question 5 options: a) silicon b) gold c) argon…

A: A metalloid element has properties that are intermediate between those of nonmetal and metal…

Q: The symbol and atomic number of the lightest metalloid in Group 4A are:

A: Silicon (Si) is the lightest metalloid of Group lVA and its atomic number is 14.

Q: Classify each of the following as a metal, nonmetal, or metalloid.   arsenic argon calcium plutonium

A: Arsenic is element of p-block and considered as metallic. Argon is noble gas and classified as…

Q: Write the electron configuration for Xenon

A: Electron configuration is the distribution of electrons of an atom or molecule in atomic or…

Q: Write the electron configuration for xenon.

A:

Q: What is peculiar about the cations formed by transition metals and given two examples ?

A: The transition metal cations have several exciting properties which are generally useful for…

Q: Which group of the following in the periodic table is called transition metal? اختر احدى الدجابات a.…

A: The vertical column in the periodic table is known as groups.  The horizontal row in the periodic…

Q: Identify the element represented by each nucleus A through E as a metal, a nonmetal, or a metalloid.…

A: Given : symbol of proton and neutron

Q: Which of the elements listed below has a lower ionization energy? Strontium Silicon

A: Ionization energy is the energy required to eliminate one electron from the valence shell from an…

Q: Which element is solid at room temperature and a good conductor of heat and electricity

A: We have to find in the given options which element is solid at room temperature and a good conductor…

Q: The element tin would be classified as: Select an answer and submit. For keyboard navigation, use…

A:

Q: Is gold metal nonmetal or metalloid

A: Gold is a transition metal belonging to Cu and Ag group.