WorksheetsChemistry Test_MOD
Total questions: 25
Worksheet time: 20mins
They study what all things in the universe that we can see are made of
physicists
biologists
geologists
chemists
Everything in the universe that we can observe is made of these
elements
A table listing all the elements
Periodic table of elements
Element with the chemical symbol O
A combination of different elements joined together
Symbols that show the elements and number of atoms that make up a compound
Small particles that make up elements
Atomic number of magnesium [Mg] in the periodic table-------.
11
13
14
12
In the nucleus of an atom--------is present
Proton
Neutron
Electron
Proton and neutron
The number of protons present in the nucleus of an atom determines the---------.
Atomic number
Mass number
Valency
None of the above
The center portion of an atom containing the protons and neutrons
Proton
Nucleus
Neutron
Electron
Positively charged atomic particles
Proton
Nucleus
Neutron
Electron
Uncharged atomic particles
Proton
Nucleus
Neutron
Electron
Negatively charged atomic particles that orbit the nucleus
Proton
Nucleus
Neutron
Electron
What is the symbol for oxygen
(a)
What is the symbol for helium
(a)
What is the symbol for sodium
(a)
what is the atomic number for AL
(a)
What is the atomic number for NA
(a)
What is the atomic number for H
(a)
