! 1. What is an electron in the highest energy level of an atom called? A. Cation B. Anion C. Valence electron D. Core electron

What is an atom with a negative charge called? A. Cation B. Anion C. Valence electron D. Core electron

What is an atom with a positive charge called? A. Cation B. Anion C. Valence electron D. Core electron

What type of bond holds oppositely charged ions together? Ionic bond Metallic bond Covalent bond Polar bond

5. What type of bond is formed by metal ions and a “sea of electrons”? Ionic bond Metallic bond Covalent bond Polar bond

What type of ion (positive or negative) consists of a single atom. (Ex What type of ion (positive or negative) consists of a single atom? (Ex. Mg2+)? Diatomic ion Monatomic ion Polyatomic ion Covalent ion

What type of ion has more than two elements and behaves as a unit? Diatomic ion Monatomic ion Polyatomic ion Covalent ion

If a compound is binary, how many different elements does it contain? 1 2 3 No way to tell

If an ionic compound is binary, what will the anion’s ending be changed to? -ide -ite -ate It varies

Atoms that are metals tend to form: Cations Anions

Atoms that are nonmetals tend to form: Cations Anions

If you are given a chemical formula and asked if it is ionic or not, what would you look for? Two metals together Two nonmetals together Two metalloids together A metal with a nonmetal

How many valence electrons are in an atom of calcium? 1 2 3 6

If calcium wants to obey the octet rule, it will: Gain 6 electrons Gain 8 electrons Lose 2 electrons Share 2 electrons

What is the symbol of a calcium ion?

16. How many electrons would be represented in an electron configuration (1s, 2s…) for a calcium ion (Ca2+)? 2 6 18 20

When naming a transition metal ion, the charge is indicated with Subscripts Superscripts Prefixes Roman numerals

What is the charge on a sulfide ion? +2 +6 -2 -6

Which of the following elements forms an ion with a 1- charge? Sodium Magnesium Oxygen Chlorine

When group 13 (3A) elements form ions, they Lose three protons Gain three protons Lost three electrons Gain three electrons

What is the correct name of the P3- ion? Phosphate ion Phosphite ion Phosphorus ion Phosphide ion

Which of the following pairs of elements is most likely to form an ionic compound? Calcium and chlorine Nitrogen and oxygen Sodium and aluminum Potassium and argon

When a compound name ends with –ate or –ite, it probably contains Two metal elements Two nonmetal elements One metal & one nonmetal A polyatomic ion

What is the correct name of this compound: NaCl Sodium chlorine Sodium chlorate Sodium chloride Sodium (I) chloride

What is the formula of tin (II) oxide? Sn2O4 SnO2 SnO Sn2O2

What is the correct electron dot diagram for Si (silicon)?

What is the formula of aluminum oxide? AlO Al3O AlO3 Al2O3

What is the formula for sodium sulfate? NaSO4 Na2SO4 NaSO3 Na2S

How many valence electrons are in an atom of helium? 1 2 8 18

30. Draw the electron dot structure for aluminum (Al).