WorksheetsChemistry QuizBee (easy)
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
If salt is dissolved in water, water is the ____________
a)
Solution
b)
Solute
c)
Solvent
d)
Suspension
2.
Who suggested the idea of representing elements with symbols
a)
John Dalton
b)
James Chadwick
c)
Berzelius
d)
William crookes
3.
The compounds or elements present at the end of a reaction
a)
reactants
b)
catalyst
c)
products
d)
energy
4.
what is the chemical formula of ammonia
a)
NH3
b)
NO2
c)
NH2
d)
NHCl2
5.
The most abundant rare gas in the atmosphere is
a)
Helium
b)
Neon
c)
Argon
d)
Xenon
6.
atomic number is
a)
the number of protons
b)
the number of electrons
c)
the number of neutrons
d)
the location of an atom on the periodic table
7.
A(n) __________________ in a positively charges atom.
a)
anion
b)
cation
c)
electron
d)
proton
8.
Who proposed the first atomic view of matter?
a)
Lavoisier
b)
Empedocles
c)
Democritus
d)
Priestley
9.
Which of the following scientists first stated the law of conservation of mass?
a)
Dalton
b)
Lavosier
c)
Proust
d)
Boyle
e)
Priestly
10.
What is the hazard shown in this hazard sign?
a)
Fireworks
b)
Broken Glass
c)
Explosive
d)
Corrosive
100 %
