2019 1st Semester Review Part 2 Question Preview (ID: 49264)
Part 2 Of Review.
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The Atomic number of an Element equals the number of ?
a) Neutrons
b) Protons
c) Atoms
d) energy levels.
The Atomic number of an Element also equals the number of ?
a) Nucleus
b) Electrons
c) Symbol
d) Mass
What is located in the nucleus of the atom?
a) Electrons
b) Symbol
c) Protons and Neutrons
d) compounds
What element has a mass of 79.904amu
a) mercury
b) bromine
c) chlorine
d) Neon
How many protons does bromine have?
a) 35
b) 79
c) 45
d) 80
How many neutrons does bromine have?
a) 45
b) 35
c) 79
d) 80
How many electrons does bromine have?
a) 35
b) 45
c) 79
d) 80
The symbol for bromine is
a) Br
b) B
c) Bm
d) Be
Bromine has how many electron rings around the nucleus?
a) 2
b) 4
c) 5
d) 6
The number of valence electrons bromine has is?
a) 4
b) 5
c) 6
d) 7
What period is bromine in?
a) 3
b) 4
c) 5
d) 6
What group is bromine in?
a) 17
b) 18
c) 14
d) 2
Which is an example of an element?
a) iron
b) salt
c) water
d) soil
Bromine is in what state at room temp?
a) Solid
b) Liquid
c) Gas
d) Plasma
What is an example of a mixture?
a) Salt (NaCl)
b) Carbon Dioxide (CO2)
c) Sand
d) Hydrogen
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