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14 questions
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- Multiple ChoicePlease save your changes before editing any questions.
How many protons does Calcium have?
55
27
20
40
- Multiple ChoicePlease save your changes before editing any questions.
The atomic mass of an atom consists of ___________+ ____________
Protons + Neutrons
Protons + Electrons
Electrons + Neutrons
Quarks + Gluons
- Multiple ChoicePlease save your changes before editing any questions.
Magnesium has a mass of 24.305, how many protons does Mg have?
24
31
25
12
- Multiple ChoicePlease save your changes before editing any questions.
If Fluorine is not an ion, how many electrons does it have?
8
18
10
9
- Multiple ChoicePlease save your changes before editing any questions.
Strontium is in the same period as __________
Silver
Zinc
Calcium
Scandium
- Multiple ChoicePlease save your changes before editing any questions.
Ni is the symbol for which element?
Sodium
Neon
Nickel
Nitrogen
- Multiple ChoicePlease save your changes before editing any questions.
B is in which period?
Period #2
Period #13
Period #1
Period #8
- Multiple ChoicePlease save your changes before editing any questions.
The proper way to write the elemental symbol for Arsenic is.....
Al
as
As
AS
- Multiple ChoicePlease save your changes before editing any questions.
Barium has _____ protons.
35
8
4
56
- Multiple ChoicePlease save your changes before editing any questions.
An element that has the same number of protons and electrons has ____
No charge
A positive charge
A negative charge
No such situation exists.
- Fill in the BlankPlease save your changes before editing any questions.
Certain atoms can vary in the number of protons that they have. For example, Calcium has a variety that has 22 protons.
- Fill in the BlankPlease save your changes before editing any questions.
The number of protons that an element has is always the same, the number of neutrons may vary.
- Fill in the BlankPlease save your changes before editing any questions.
Chemists have to be careful with the Noble Gases since some of them have the same atomic number, they can be difficult to tell them apart.
- Multiple ChoicePlease save your changes before editing any questions.
How many protons does Chlorine have?
35
17
35.453
0