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WorksheetsChemistry
Total questions: 12
Worksheet time: 6mins
What is the nucleus
It's an element in the periodic table
Central core of an atom, consisting of protons and neutrons
Outermost shell
What are protons
Negatively charged
Centre of atom
Positively charged
Neutral charge
How many element groups are there
3
12
8
20
What is the first element in the periodic table
Lithium
Boron
Carbon
Hydrogen
What is the atomic number?
The number of protons found in the nucleus of every atom in that element
The number of neutrons found in the nucleus
Number of atoms
How many elements are part of the periodic table?
109
112
118
200
What is the 11th element of the periodic table?
Titanium
Silver
Copper
Sodium
What is created when chlorine combines chemically with sodium?
Salt
Hydrogen
Sugar
Sodium Bicarbonate
What is atomic mass?
Height of the atom
Mass of the atom
Volume of the atom
Which among the following oxides causes the acid rain?
Sulfur dioxide and nitrogen oxides
Nitrogen and carbon
Sulfer oxides and nitrogen dioxides
What is the atomic theory?
Theory stating that atoms are are protons
Theory stating that atoms are composed by hydrogen
Theory which states that matter is composed of atoms
Protons are positive
Who came up with the atomic theory?
John Cena
John Dalton
Tu Youyou
Mae C. Jemison
