Periodic trend
Authored by Nour Darwish
Chemistry
9th Grade
NGSS covered
Used 62+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1 Calcium, on the left of Period 4 of the Periodic Table, is more metallic than bromine on the right of this period.
Why is this?
Calcium has
fewer electrons
fewer protons.
fewer full shells of electrons.
fewer outer shell electrons.
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1 The diagram shows one period of the Periodic Table.
Which two elements form acidic oxides?
carbon and lithium
carbon and neon
carbon and nitrogen
nitrogen and neon
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which property of elements increases across a period of the Periodic Table?
metallic character
number of electron shells
number of outer shell electrons
tendency to form positive ions
Tags
NGSS.HS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1 W, X, Y and Z are elements in the same period in the Periodic Table.
W and Y are metals. X and Z are non-metals.
Which shows the correct order of these elements across the period?
Tags
NGSS.HS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Argon, Ar, has a higher relative atomic mass than potassium, K, but appears before it in the Periodic Table.
Argon has fewer neutrons than potassium.
Argon has fewer protons than potassium.
Argon has more neutrons than potassium.
Argon has more protons than potassium.
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the outline of the Periodic Table below, some elements are shown as numbers.
Which two numbers are metals in the same period?
1 and 2
1 and 7
3 and 5
5 and 6
Tags
NGSS.HS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the Periodic Table, how does the metallic character of the elements vary from left to right across a period?
It decreases.
It increase
It increases then decreases.
It stays the same.
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
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