WorksheetsChemistry
Total questions: 13
Worksheet time: 8mins
Name
Class
Date
1.
Who invented Periodic Table?
a)
Mendeleev
b)
Thomson
c)
Edison
d)
Rutherford
2.
The ________________ tells you how many energy levels are used in an element.
a)
group number
b)
atom
c)
protons
d)
period number
3.
protons
a)
negative charge, nucleus
b)
positive charge, shells
c)
positive charge , nucleus
d)
neutral charge, nucleus
4.
"C" is the element symbol for which element?
a)
calcium
b)
carbon
c)
chlorine
d)
cadmium
5.
What is an atom which has gained or last electrons called?
a)
isotope
b)
atom
c)
ion
d)
balanced
6.
Gold is an example of a(n)
a)
pure element
b)
pure compound
c)
pure mixture
7.
atomic number
a)
number of protons/stands for an element
b)
number of neutrons
c)
number of electrons
d)
number of protons and neutrons
8.
How many atoms of sodium (Na) are in one molecule of baking soda?
a)
1
b)
2
c)
3
d)
4
9.
When we combined vinegar and baking soda and created carbon dioxide what was the product?
a)
vinegar
b)
carbon dioxide and baking soda
c)
carbon dioxide
d)
vinegar and baking soda
10.
What is Batman's favorite element?
a)
Na
b)
H
c)
O
d)
Cl
11.
Basic unit of matter - the smallest piece of matter known
a)
Element
b)
Atom
c)
Molecule
d)
Compound
12.
Mixing salt and water
a)
Chemical Change
b)
Physical Change
13.
What do these symbols represent?
a)
alpha particle
b)
beta particle
c)
neutron
d)
gamma ray
100 %
