Chemistry comes alive Quiz

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created 4 years ago by Ljporter
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chapeter 1 Nurs 500 USC Bridge- Pearson/ Bancroft
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College: First year
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1

What form of energy is the stimulus for vision

Radiant

2

Name the 4 major elements of the body

carbon, hydrogen, oxygen, nitrogen

3

the mass number of an atom is:

the sum of its protons and neutrons

4

a deficiency in this element can be expected to reduce the hemoglobin content of blood.

Fe- Iron

5

a proton is?

a positively charged, 1 AMU, in the nucleus

6

The subatomic particles responsible for the chemical behavior of atoms are:

Electrons

7

In the body carbohydrates are stored as:

Glycogen

8

What is a mixture?

properties of its components are retained

components can be physically separated

includes homogenous and heterogeneous examples

9

A beaker full of water, the bonds ca be called:

hydrogen

10

when a pair of electrons is shared between 2 atoms, the bond formed is called:

a single covalent bond

11

Molecules that form when electrons are shared unequally are:

polar molecules

12

2Hg + O2 -> 2HgO is an example of what type of chemical reaction?

synthesis

13

HCL + NaOH -> NaCL + H2O is an example of what type of chemical reaction?

An exchange reaction

14

what factors increase the rate of a chemical reaction?

catalysts, increased temperature, increasing the concentration of the reactants.

15

NaCl is an example of a organic or inorganic compound?

inorganic

16

Acids release _________when dissolved in wahter

protons

17

the chemical compound of carbon, hydrogen and oxygen in the proportion of 1:2:1 with a 6 sided molecular share is most likely:

a monosaccaride

18

Triglycerides consist of:

glycerol plus 3 fatty acids

19

a chemical has a amine group and an organic acid group but no peptide bonds is a:

an amino acid

20

The lipids used as the basis of Vitamin D, sex hormones, and bile salts are:

cholesterol

21

enzymes are organic catalysts that:

increase the speed of a chemical reaction