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WorksheetsAtoms and Elements
Total questions: 20
Worksheet time: 10mins
A different version of the same element is called an ?
electron
isotope
Proton
2nd Version
The 8 in the image is the......
Atomic Mass
Element Name
Symbol
Atomic number
The "O" in the image represents it's
Element Name
Symbol
Mass number
Atomic weight
Oxygen is considered the .......
Element symbol
Element name
Atomic mass
Mass number
Mass number means
Number of protons in the nucleus
Number of electrons in the nucleus
Number neutrons
Number of neutrons and protons in the nucleus
15.99 represents the elements....
Element number
Mass number
Atomic weight
Atomic number
This entire picture represents the element
Period
Key
Table
Family
Carbon is 6 on the periodic table "Carbon 14" means that this version has.....
14 electrons
14 protons
8 neutrons and 6 protons
8 protons and 6 neutrons
Lithium is 3 on the periodic table. If I said this isotope has 2 neutrons what would its mass number be?
6
3
4
5
Whose model of the atom is this?
Bohr
Rutherford
Thompson
Dalton
Which atom is being modeled here? (it has 7 protons)
Carbon
Oxygen
Flourine
Nitrogen
If this atom has 7 protons how many electrons does it have?
6
7
5
8
How many energy levels does it have?
3
4
2
1`
This gemstone is made purely of what element?
Iron
Titanium
Oxygen
Carbon
How can this graphite be the same element as carbon but have different properties?
They are not both made of carbon
The arrangement of the atoms
They are different isotopes
They are different elements
Select the correct things we can say about Rutherford's model of the atom
Plum pudding
Empty space
Nucleus
Neutron
The atomic weight of Nitrogen is?
14
8
14.01
7
The symbol for Nitrogen is......
N
7
Na
Nitrogen
The name of this element is......
Carbon 12
C
Carbon
oxygen
Check the answers that are found on the element key
Mass number
Element name
Element symbol
Atomic weight
