Chapter 2 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

The positively charged particle in an atom is called the

A

protons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Two or more different atoms are combined in definite proportions in any

A

compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A covalent bond is formed by the

A

sharing of electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

When you shake sugar and sand together in a test tube, you cause them to form a

A

mixture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A compound that produces hydrogen ions in solution is

A

acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Proteins are polymers formed from

A

amino acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

An enzyme speeds up a reaction by

A

lowering the activation rate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

In a chemical reaction, a reactant binds to an enzyme at a region known as the

A

active site

How well did you know this?
1
Not at all
2
3
4
5
Perfectly