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Ch. 11 Elements & Chemical Bonds

Authored by Carrie Williams

Science

7th - 9th Grade

Used 82+ times

Ch. 11 Elements & Chemical Bonds
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Because a water molecule has a slight positive charge at one end and a slight negative charge at the other end, it is a nonpolar molecule.

True

False

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The properties of a compound are the same as the properties of the elements making up the compound.

True

False

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When an atom gains or loses electrons, the charged particle that results is called an ion.

True

False

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The chlorine atoms in hydrogen chloride have a stronger attraction for the electrons than the hydrogen atoms do. The hydrogen chloride molecule is therefore a polar covalent molecule.

True

False

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Most atoms are chemically unstable when its outer energy level 8 valence electrons.

True

False

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a compound?

gold

oxygen

neon

water

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aluminum oxide is a chemical formula with two aluminum atoms and three oxygen atoms. Which is the correct chemical formula?

A12O3

2AlO3

(A12)O3

Al3O2

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