Transcript 1. All matter is made up of

1. All matter is made up
of
____________
2. Identify each labeled structure in the atom.
Describe the charge for each particle.
A
B
C
3.Where are protons and neutrons
found in an atom?
____________________
4. Where are electrons found in an
atom?
_______________________
5. Which subatomic particle
would be found outside the
nucleus of an atom?
_____________
6. A positively charged
particle is a
_____________
7. Which of the following is
not an element?
1. oxygen
3. sodium
chloride
2. hydrogen 4. nitrogen
8. A chemical formula like
CO2 represents
1. an element
3. an atom
2.an electron 4. a compound
9. A substance made up of two
or more elements that have
been chemically combined is a
_______________
10. A substance made up of
two or more elements that
have been physcially
combined is a
____________
11. A substance that cannot
be changed into simpler
substances by a chemical
change is called a (an)
1. element.
3. liquid.
2. solid.
4. mixture.
12. Element or Compound?
a. Carbon (C)
b. Carbon dioxide (CO2)
c. Water (H2O)
d. Nitrogen (N)
e. Glucose (C6H12O6)
13.
14.
___________________
15.
16. Label the following diagrams:
• Compound, element, mixture
A
B
C
D
17. Sand and iron particles that are
similar in size and color are mixed
together in a beaker. What would
be the best method of separating
the particles?
1. Use tweezers to separate them.
2. Add water to the mixture.
3. Use a magnet to separate them.
4. Pour the mixture into a filter.
18. The substances in a mixture can be
separated by physical means because
1. no chemical change occurs when the
substances are combined.
2. the physical and chemical properties
of the substances change.
3. none of the properties of the
substances change.
4. the chemical, but not the physical,
properties of the substances change.
19. For the following
pictures, identify whether
a physical or chemical
change is occurring.
20.
_______________________________________________________________
21. Identify the different phases of
matter.
_____________________
22. The particles of a substance are
closest together in a _____.
23. The particles of a substance that
does not have a definite volume or
shape is ____.
24. Identify the different phases of
matter, shown in the diagram below.
A
B
C
25. The particles of a substance are closest together in a
____.
26. The particles of a substance that does not have a definite
volume or shape is ______.
27. When a liquid becomes a solid, heat is ____ and the
process is called_________.
28. ______ is the process in which liquid changes to gas.
29. Matter is anything that has
and _________.
30. Identify the following as a physical or chemical change:
a. Bending a Paper Clip.
b. Melting ice into water.
c. Baking a cake batter into a cake.
d. The rusting of a nail
31.
32.
33.
34. Identify the solid, liquid and gas! Support your answer.
35. Identify the phase change
described.
a. Solid to liquid:
b. Gas to liquid:
c. Liquid to solid:
d. Solid to gas:
e. Liquid to gas:
36. For each phase change describe
whether energy is RELEASED or
ABSORBED.
a. Melting:
b. Freezing:
c. Vaporization:
d. Sublimation:
e. Condensation:
37. The particles of a
substance are closest
together in
1. a solid
2. a liquid
3. a gas
4. plasma
38. The particles of a
substance move most readily
in
1. a solid
2. a liquid
3. a gas
39. The particles of a
substance that does not have
a definite volume or shape is
1. a solid
2. a liquid
3. a gas
40. When a liquid becomes a
solid, energy
1. does not change
2. is released
3. is absorbed
4. is first absorbed, then
released
41. _______ is the process in
which liquid changes to gas.
1. Sublimation 3. Condensation
2. Evaporation 4. Combustion
42. The change of a liquid to a
solid is called
1. freezing
3. melting
2. sublimation
4. vaporization
43. When substances go directly
from the solid phase to the gas
phase, the phase change is
called
1. sublimation
2. condensation
3. evaporation
4. vaporization
44. What happens to the position
of water molecules as they lose
heat energy?
________________________________
________________________________
45.
a. Atomic mass:
b. Mass number:
c. # of protons:
d. # of electrons:
e. # neutrons:
f. Atomic #:
46.
a. Atomic mass:
b. Mass number:
c. # of protons:
d. # of electrons:
e. # neutrons:
f. Atomic #:
47. All samples of an element are
composed of atoms with the
same
1. atomic mass
2.atomic number
3.number of protons and
neutrons
4.number of neutrons
48.
1
H
Hydrogen
1.01
3
Li
Lithium
6.94
14
Si
Silicon
28.09
1. What is the atomic number for lithium?
2. How many protons does an atom of Si have?
3. What is the atomic mass for Argon?
4. How many electrons does an atom of H have?
5. How many neutrons are in an atom of Li?
6. How many electrons are in an atom of Si?
7. How many protons and neutrons are in an atom of Argon?
18
Ar
Argon
39.95
49.
50.
51.
52. Explain how the periodic table of elements
is arranged.
53. Elements at the left of the periodic table
are known as ______.
54. Elements at the right of the periodic table
are known as _______.
55. Explain some of the properties of metals.
• They are malleable, ductile, have luster,
and are good conductors of heat and
electricity
56. Explain some of the properties of
nonmetals.
• They are brittle, have no luster and they
are not good conductors of heat and
electricity.
57.
a.
b.
c.
58.
59. Use a periodic table to help you identify each
element. Give its symbol for the answer.
a. I am a member of the Boron
family with 49 protons.
b. I have a total of 74 electrons in
an atom.
c. I have an atomic mass of
55.847.
d. I have 8 neutrons in an atom.
60.
The elements oxygen, sulfur, selenium and tellurium are all
found in the same group (16) on the table. What do we know
about the elements in that family?
61.
a. In what family is neon found?
b. What do we call those elements in that
group?
62.
Which element is a metalloid?
1. S (Sulfur) 3. Si (Silicon)
2. Ba (Barium) 4. Br (Bromine)
63.
Explain what occurs to the atomic
number when moving from left to
right on the periodic table.
64. Which three elements have
the most similar chemical
properties?
1. Ar, Kr, Br
2.K, Rb, Cs
3.B, C, N
4.O, N, Si
65. Which element is a noble
gas?
1. hydrogen
2.oxygen
3.neon
4.nitrogen