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WorksheetsReview for Basics Quiz #7
Total questions: 25
Worksheet time: 17mins
What term is used to describe all the elements that are in the same vertical column on the periodic table?
period
group
chemical formula
valence electron
What term is used to describe all the elements that are in the same horizontal row on the periodic table?
period
group
chemical formula
valence electron
Name a member of the Oxygen group with 16 protons
(a)
Which element in the boron group has 31 electrons?
phosphorus
nickel
gallium
aluminum
Which element has 4 valence electrons?
beryllium
tin
lithium
potassium
What is the atomic symbol for Tungsten
W
Ta
Te
Y
The Modern Periodic Table of Elements is arranged by
atomic mass
electrons
neutrons
atomic number
protons
Which of the following is a pure substance?
NaCl
Air
Salt Water
Tea
How many valence electrons does Calcium have?
20
4
2
40
How many atoms of sulfur are in each molecule of H2SO4?
1
4
2
7
Which member of the Alkali Metal group has 20 neutrons?
Calcium
Potassium
Argon
Neon
Which member of the Halogen group has 6 energy levels.
Astatine
Chromium
Tellurium
Carbon
Air
Heterogeneous Mixture
Homogeneous Mixture
Mixture
Compound
Element
Mixture
Mixture
Besides number of protons, atomic number also tells you what?
number of electrons
number of protons
number of neutrons
