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Worksheets

7th Grade Chapter 2 Vocabulary

Total questions: 19

Worksheet time: 5hrs 31mins

Name
Class
Date
1.

The _____________ electrons of an atom are those electrons that have the highest energy.

a)

chemical

b)

valence

c)

carbon

d)

smallest

2.

A(n) ____________________ includes the symbol for the element surrounded by dots

a)

electron dot diagram

b)

energy dot diagram

c)

chemical bond diagram

d)

electron chemical diagram

3.

A ___________ bond is the force of attraction that holds atoms together as a result of the rearrangement of electrons between them.

a)

chemistry

b)

carbon

c)

chemical

d)

metalloid

4.

A(n) ________ is an atom or group of atoms that has an electric charge.

a)

ion

b)

metalloid

c)

valance

d)

bond

5.

Ions that are made of more than 1 atom are called ________________ ions.

a)

multiatomic

b)

polyatomic

c)

positive atomic

d)

negative atomic

6.

A(n) ____________ bond is the attraction between two oppositely charged ions.

a)

chemical

b)

common

c)

ionic

d)

extended

7.

A(n) __________ compound is made up of positive and negative ions.

a)

ionic

b)

multi-atomic

c)

polyatomic

d)

neutral

8.

A _____________ formula is a group of symbols that show the ratio of elements in a compound.

a)

chemistry

b)

balanced

c)

chemical

d)

ionic

9.

_______________ tell the ratio of elements in a compound.

a)

Subscripts

b)

Coefficients

c)

Superscripts

d)

Symbols

10.

Ions form an orderly, three-dimensional arrangement called a ______________.

a)

compound

b)

covalent

c)

crystal

d)

cube

11.

When 2 atoms share electrons, it is called a ______________ bond.

a)

chemical

b)

covalent

c)

ionic

d)

molecular

12.

A(n) ______________ is a neutral group of atoms joined by covalent bonds.

a)

ion

b)

molecule

c)

compound

d)

electron

13.

When 2 atoms share 2 pairs of electrons, they form a ___________ bond.

a)

single

b)

double

c)

triple

d)

polar

14.

Atoms of some elements , such as nitrogen can share 3 pairs of electrons forming a ____________ bond.

a)

single

b)

double

c)

triple

d)

polar

15.

A ____________ compound is a compound that is made up of molecules.

a)

molecular

b)

polar

c)

ionic

d)

nonpolar

16.

A covalent bond in which electrons are shared equally is a ____________ bond.

a)

polar

b)

ionic

c)

nonpolar

d)

molecular

17.

A ____________ bond is an attraction between a positive metal ion and the electrons surrounding it.

a)

metallic

b)

polar

c)

molecular

d)

nonpolar

18.

An _________ is a mixture made of two or more elements, at least one of which is a metal.

a)

atom

b)

alloy

c)

electron

d)

ion

19.

A covalent bond in which electrons are shared unequally is a __________ bond.

a)

nonpolar

b)

polar

c)

molecular

d)

ionic