atomic size

Quiz
•
Chemistry
•
4th - 5th Grade
•
Medium
Standards-aligned

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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What influences the atomic size of an atom across a period ?
neutron number
proton number
electron number
mass number
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which atom has a larger atomic radius based upon their relative positions on the periodic table?
Sodium
Argon
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the definition of atomic radius?
atomic radius is the distance between 2 bonded atoms
atomic radius is the distance from the centre of nucleus to the outermost shell
atomic radius is measured in mols
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The distance between the nucleus of two nitrogen atom is 140pm. What is the atomic radius of a nitrogen atom?
140pm
700pm
70pm
280pm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The shielding effect is the attraction between?
electrons and protons
protons and nucleus
nucleus and valence orbital
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which has more shielding?
Cs
K
Tags
NGSS.HS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes the atomic size increase down the group?
The atoms have more mass
The atoms have more protons
The atoms have more shielding effect
The atoms have more nuetrons
8.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What will occur as we go down the group? (choose all answer that applies)
Shielding effect increase
Size of atom decrease
The attraction between the nucleus and valence electrons decrease
Shielding effect decrease
Tags
NGSS.HS-PS1-1
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who did not contribute to make a periodic table?
Dohereiner
Aristotle
John Newland
Dimitri Mendeleev
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