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Test Description: Anchor activities
Instructions: Answer all questions to get your test result.
1) Use a periodic table to answer: what is the atomic mass of hydrogen
A
7
B
3
C
21
D
1
2) How do you find the amount of protons in an atom?
A
All of the above
B
The atomic mass
C
The atomic number
D
The atomic mass +19
3) What is the atomic symbol of potassium
A
Po
B
Kg
C
M
D
K
4) How many natural elements are in the periodic table
A
21
B
89
C
96
D
118
5) How do you find the amount of neutrons in an atom
A
Atomic mass + the atomic number
B
The atomic number
C
Atomic mass - atomic number
D
The atomic mass
6) What is the atomic mass?
A
All of the above
B
The amount of things in the nucleus
C
The amount of things in the outermost shell
D
The amount of things in the whole atom
7) How many hydrogen atoms are in a water molecule
A
3
B
None of the above
C
9
D
2
8) What is the atomic mass of oxygen
A
15
B
17
C
16
D
19
9) Why are some symbols different than they name
A
It's from the Latin origin
B
Both a and b
C
Scientists didn't want to make it their name
D
None of the above
10) What element has 104 protons in its nucleus
A
Gold
B
Hassium
C
Rutherfordium
D
Krypton
11) How many elements are metals in the periodic table
A
21
B
49
C
36
D
28
12) What is the correct way to write a element symbol
A
aU
B
au
C
Au
D
AU
13) Witch of the following has an atomic mass of 4.003
A
Oxygen
B
Helium
C
Beryllium
D
Boron
14) What statement is correct
A
Its impossible for a neutron to have a charge
B
An ion is where the amount of electrons change from its regular form
C
A proton's charge is neutral
D
Isotope is where the atom has no neutrons
15) What statement is NOT correct
A
None of the above
B
You can't round the atomic mass to subtract the atomic number to find the amount of protons
C
All of the above
D
The amount of protons is equal to the amount of electrons in an oxygen atom
16) What is the correct way to write a compound
A
H2o2
B
H2O2
C
22ho
D
h2O2
17) Mercury is a liquid metal
A
False
B
True
18) What element has 6 protons 6 neutrons and 6 electrons
A
Carbon
B
Nitrogen
C
Oxygen
D
Silicon
19) Why do some elements have a decimal and some do not?
A
Neutrons have a small charge
B
None of the above
C
Because scientists found that protons have excess particles
D
Electrons have excess particles
20) What is the exact atomic mass of gold
A
197.0
B
50.95
C
197.0928
D
197.009
*select an answer for all questions
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