Week 2

Question 1

indicates the total number of protons and neutrons

Answer 1

Mass Number

Question 2

estimate of the element’s atomic mass

Answer 2

Mass Number

Question 3

True or false. When an atom is neutral, its atomic number is also equal to the number of electrons.

Answer 3

True

Question 4

atoms of the same element but have different number of neutrons

Answer 4

Isotopes

Question 5

When a neutral atom gains or loses one or more electrons, it becomes an electrically charged particle called

Answer 5

Ion

Question 6

Positively charged ion

Answer 6

Cation

Question 7

Negatively charged ion

Answer 7

Anion

Question 8

When atoms of nonmetals share electrons, they form an electrically neutral aggregate called

Answer 8

Molecule

Question 9

attraction between a cation and an anion, or simply the combination of a metal and a nonmetal.

Answer 9

Ionic Compunds

Question 10

ions that form after elements have shared electrons

Answer 10

Polyatomic ions

Question 11

when nonmetals share electrons

Answer 11

Covalent Compound

Question 12

True or False. Binary Covalent Compounds are between 2 different nonmetals

Answer 12

True

Question 13

True or False. Binary Covalent Compounds are between 2 different metals

Answer 13

False