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Ch. 2 Atoms and Bonds

Authored by Courtney Somers

Other, Science

8th Grade

Used 5+ times

Ch. 2 Atoms and Bonds
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16 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The atomic number of an atom is determined by the number of

protons

neutrons

electrons

valence electrons

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The vertical columns on the periodic table organize elements by

periods

metals

nonmetals

families

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

When an atom loses an electron, it

becomes a negative ion

becomes a positive ion

forms a covalent bond

gains protons

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of these is a property of an ionic compound?

low melting point

poor conductor of electricity

crystal shape

shared electrons

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A chemical bond in which a pair of electrons is shared between two atoms is called

covalent

ionic

polyatomic

triple

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

True or False:

Using the periodic table, you can determine that a potassium atom has one valence electron.

True

False

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

True or False:

When a chlorine atom gains an electron, it becomes a positive ion.

True

False

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