NEW
Font size
WorksheetsCIA#1 Review
Total questions: 25
Worksheet time: 54mins
Atoms of elements that are in the same group have the same number of
protons.
neutrons.
valence electrons.
protons and neutrons.
The elements argon, krypton, and xenon are all non-metals. What property would these elements have in common?
Good conductor of thermal energy
brittle and poor conductor of electricity
Shiny, lustrous surface
Soft and malleable
What role does the proton play regarding the atom?
it is involved in bonding
it is involved in the stability of the atom
it gives the atom its identity
it does not play a role
Nuclear fusion releases energy when:
heavy ions fuse together
very light nuclei come together
uranium splits into two fragments
uranium emits a neutron
85209At = ___ + 24He
What is the Half life of this isotope?
5 seconds
10 seconds
15 seconds
20 seconds
How many grams are left after 1 half life?
LiBr is called
lithium bromine
lithium (I) bromine
lithium bromide
lithuim (I) bromide
Oxygen is in group 16 of the periodic table. Which element would it most likely bond with?
H
Be
F
Ne
What is the name of N2O3?
Nitrogen trioxide
Dinitrogen oxide
Dinitrogen trioxide
Nitrogen oxide
What is the charge on the ion that oxygen forms?
1-
2+
3+
2-
USE THE PERIODIC TABLE
How many valence electrons does carbon have?
4
12
6
14
What period is Beryllium in?
1
2
3
4
