WorksheetsPart 2- Parts of the Atom
Total questions: 13
Worksheet time: 10mins
The basic unit of matter is
atom
compound
molecule
none of the above
what is the atomic number of carbon (C)?
5
4
6
7
Atomic number of Argon (Ar)
15
17
18
19
Atomic number of calcium ( Ca)
18
19
21
20
An element with 12 protons in each atom has an atomic number of:
12
21
2
24
True or false: The atomic number of an element is the same as the number of protons of its atoms.
True
False
Which of these statements is INCORRECT?
The number of protons determines the atomic number.
The atomic number and number of protons are the same.
An atomic number of 5 means there are 5 protons.
The number of neutrons is always the same as the number of protons.
What is the Atomic Number of this Element
7
3
4
1
Which element is this?
Nickel
Neon
Sodium
Nitrogen
How many protons are in Sodium?
11
22
12
33
How many electrons are in Potassium?
19
20
58
39
If we know the mass number and the number of protons and we want to know the number of NEUTRONS, we would (a) the number of protons from the mass number.
Draw a hydrogen atom with the correct number of protons, neutrons and electrons.
