Question

20 Answer:
Two or more elements that are chemically bonded form a (an)
a. atom.
b. element.
c. compound.
d. formula.
21 Answer:
How long could you live without water?
a. a few minutes
b. a few hours
c. a few days
d. a few weeks
22 Answer:
The smallest particle of a compound that has all the properties of
that compound is a (an)
a. atom.
b. element.
c. nucleus.
d. molecule.
23 Answer:
Which of the following is "not" an example of a response?
a. the telephone ringing.
b. your mouth watering.
c. stopping at a red light.
d. pulling your hand away from a hot iron.
24 Answer:
A chemical symbol is used to represent
a. matter.
b. a neutron.
c. an element.
d. a formula.
25 Answer:
Which of the following would living things NOT compete for?
a. energy
b. living space
c. metabolism
d. sunlight

Answer 1

20 a 21 c 22 a 23 a 24 c 25 b

Answer 2

20 answer c)compound

21 answer c)a few days

22 answer d)molecule

23 answer b)your mouth watering

24 answer c)an element

25 answer d)sunlight