WorksheetsAtomic Structure
Total questions: 15
Worksheet time: 10mins
The atomic number identifies the number of __________.
electrons
atoms
protons
neutrons
Subatomic particles that have a negative charge
electrons
protons
quarks
neutrons
How many protons does sulfur have?
32
16
48
12
How many electrons does sulfur have
16
32
48
12
The name of this particle means indivisible and it is the building block of matter
molecule
compound
atom
isotope
Subatomic particle that has a positive charge
electron
poitron
neutron
proton
In what part of an atom can the protons and neutrons be found?
nucleus
neutrine
electron cloud
proton cloud
Which parts of the atom move around the nucleus?
electrons
protons
electrode particles
neutrons
How many protons does an aluminum atom have?
27
14
40
13
The mass number of an element that has 18 protons, 18 electrons, and 19 neutrons is _____.
12.5
13
25
37
What element has 9 protons, 9 electrons, and 10 neutrons?
nitrogen
oxygen
fluorine
neon
What is the atomic number of a chlorine atom with a mass of 35 amu?
17
35
18
52
Is the number below the element symbol on the periodic table the mass number?
Yes!
NO!!
What is material that has mass and takes up space?
volume
mass
matter
density
