atomic size

atomic size

4th - 5th Grade

9 Qs

quiz-placeholder

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atomic size

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Assessment

Quiz

Chemistry

4th - 5th Grade

Medium

NGSS
HS-PS1-1

Standards-aligned

Created by

yoon yoon

Used 30+ times

FREE Resource

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