The Nature Of Matter

1.

The subatomic particles that make up atoms are _______________, ___________ and _______________
2.

Elements are pure substances that consist entirely of many types of atoms.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
consist entirely of ONE type of atom.

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3.

The atoms found in compounds are held together by __________________

Correct Answer
chemical bonds
4.

In nature most elements are found combined with other elements in compounds
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
5.

The main types of chemical bonds are _______________ and _________________

Correct Answer
ionic and covalent
6.

What is the single most abundant compound in most living things

Correct Answer
Water
7.

Water molecules are bi-polar because there is an uneven distribution of electrons between the oxygen and hydrogen atoms.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Water molecules are polar

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8.

What is water extremely cohesive?

Correct Answer
due to hydrogen bonding
9.

Many of the properties of are due to the fact that water is a ____________ __________________ molecule and that it has the ability to form ______________ _________________ _______________.

Correct Answer
polar covalent molecule, weak hydrogen bonds

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