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Matter and It's Interactions

Total questions: 50

Worksheet time: 33mins

Name
Class
Date
1.
What do we call the numbers that represent how many atoms are present for each element?
a)
subscripts
b)
silhouette
c)
cohabitate
d)
coefficients
2.
What is found in the center of an atom
a)
protons and neutrons
b)
protons and electrons
c)
neutrons and electrons
d)
electrons and nucleus
3.
An atom that has the same number of protons but a different number of neutrons is an
a)
isotope
b)
atomic center
c)
isotonic
d)
icicle
4.
Use periodic table to tell the proton, neutron and electron configuration of iron
a)
26, 30, 26
b)
56, 26, 30
c)
26, 30, 30
d)
56, 26, 56
5.
What is the atomic mass of Au
a)
196.97
b)
107.87
c)
200.59
d)
101.07
6.

What coefficient can be used on the right to balance the following

a)

2

b)

3

c)

4

d)

5

7.
Where can you find electrons?
a)
Orbit
b)
Sky
c)
nucleus
d)
tunnel
8.
Use periodic table to tell the proton, neutron and electron configuration of tin
a)
50, 69, 50
b)
69, 50, 50
c)
69, 50, 69
d)
60, 50, 35
9.
What do you call the center of an atom
a)
nucleus
b)
neutron
c)
nuclear
d)
nectar
10.
What do we call the number that represents the number of molecules present? We use these to balance equations.
a)
coefficients
b)
subscripts
c)
capitals
d)
contexts
11.
If you have 3 molecules of H2O how many atoms are present?
a)
6 Hydrogen 3 oxygen
b)
6 Hydrogen 6 oxygen
c)
3 Hydrogen 6 oxygen
d)
3 Hydrogen 3 oxygen
12.
What does the arrow mean in a chemical equation?
a)
yields
b)
direction
c)
reactant
d)
product
13.
What do we call the formulas to the left before the arrow in a chemical equation?
a)
reactants
b)
product
c)
prefix
d)
retracts
14.
What do we call the formulas to the right after the arrow in a chemical equation?
a)
products
b)
retracts
c)
prefix
d)
reactants
15.
Which answer BEST fits the law of conservation of mass?
a)
During a chemical reaction nothing is lost or gained. What is present in the reactants must be present in the products.
b)
All equations can be equals
c)
Atoms are the same and can not be destroyed
d)
Matter is on both sides of the products and reactants. You should not lose things
16.

The diagram below represents two atoms of hydrogen that combine chemically with one atom of oxygen to form a water molecule. Water is an example of

a)

A compound

b)

A mixture

c)

A solution

d)

An element

17.

What number is at the top of the element card

a)

atomic number which is also number of protons

b)

atomic number which is number of neutrons

c)

atomic mass which is also protons

d)

atomic mass which is also neutrons

18.

What is the number at the bottom of the card

a)

atomic mass which is protons and neutrons

b)

atomic number which is number of protons

c)

atomic number which is number of neutrons

d)

atomic mass which is protons

19.
Choose the right answer that will fill in the blanks in the next sentence. When you balance an equation you can only change the_________________ , and you can never alter the _________________.
a)
coefficients, subscripts
b)
conscripts, products
c)
subscripts, coefficients
d)
reactants, products
20.
Which of the following correctly models the law of conservation of mass?
a)
&&& + @@ --------> @&@&&
b)
$$$ + ** --------> $$*
c)
### + @@@# ---------> #@#@#
d)
#$&% ---------> $$$$@
21.

What Coefficients from left to right will balance this equation?

a)

1,3,2

b)

1,3,3

c)

1,1,2

d)

3,3,4

22.
What element is represented by the symbol Na?
a)
Sodium
b)
Nobium
c)
Salt
d)
Carbon
23.
How many elements are present in one water molecule?
a)
2
b)
1
c)
3
d)
4
24.
A chemical equation is balanced by changing the
a)
coefficients
b)
subscripts
c)
anything necessary
25.

Question in picture.

a)

277g

b)

200 g

c)

324g

26.

Question in picture

a)

4

b)

16

c)

8

d)

2

27.

How may Atoms are in 2H2SO4 ?

a)

14

b)

16

c)

12

d)

10

28.

Balanced or Unbalanced

a)

unbalanced

b)

balanced

29.

Balanced or Unbalanced

a)

balanced

b)

unbalanced

30.

Balanced or Unbalanced

a)

unblanced

b)

balanced

31.

Balanced or Unbalanced

a)

balanced

b)

unbalanced

32.
What category does Lithium belong?
a)
Alkali metals
b)
Nobel gases
c)
Transition metals
d)
Alkaline metals
33.
What category does helium belong?
a)
Nobel gases
b)
Alkaline metals
c)
Transition metals
d)
Alkali metals
34.
What is the basic building block of matter?
a)
Atom
b)
Molecule
c)
Substance
d)
Matter
35.
The smallest unit of a compound
a)
Molecule
b)
Substance
c)
Matter
d)
Atom
36.
Solid material whose atoms are arranged in an ordered pattern
a)
Crystal
b)
Molecule
c)
Atom
d)
Matter
37.
Matter with consistent properties throughout
a)
Substance
b)
Molecule
c)
Atom
d)
Matter
38.
Occurs when one or more substances change to produce one or more different substances
a)
Chemical reaction
b)
Chemical property
c)
Physical property
d)
Pure Substance
39.
A property that requires a chemical interaction to observe
a)
Chemical property
b)
Chemical reaction
c)
Physical property
d)
Pure Substance
40.
Has definite composition and properties
a)
Pure substance
b)
compound
c)
molecule
d)
atom
41.
A property that is observed without making changes to the substance
a)
Physical property
b)
Chemical property
c)
Chemical reaction
d)
Pure Substance
42.
If a chemical reaction occurs, the properties of substances before and after the substances interact must be
a)
different
b)
same
43.
Each ______ has characteristic physical and chemical properties that can be used to identify it.
a)
Pure Substance
b)
Physical property
c)
Chemical property
d)
Chemical reaction
44.
The total number of atoms of each element is not changed during a chemical reaction.
a)
Law of conservation of mass
b)
Mass
c)
chemical reaction
d)
conserve
45.

How many different compounds are present in this chemical equation? Include both reactants and products.

a)

4

b)

6

c)

8

d)

9

46.

How many total molecules are present on the reactants side of the equation?

a)

31

b)

18

c)

16

d)

2

47.

How many total molecules on the side of the products in the chemical equation?

a)

12

b)

24

c)

36

d)

48

48.

How many hydrogen atoms on the reactants side

a)

4

b)

15

c)

30

d)

36

49.

How many atoms are present on the reactant side for each element?

a)

C-12 H-6 O-2

b)

C-6 H-8 O-2

c)

C-6 H-36 O-30

d)

c-6 H-30 O-36

50.

Balanced or Unbalanced

a)

Balanced

b)

Unbalanced

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