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REVIEW - Unit 2 The Atom & Periodic Table

Authored by Zondra Pointer

Chemistry

10th - 12th Grade

NGSS covered

Used 44+ times

REVIEW - Unit 2 The Atom & Periodic Table
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43 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was Mendeleev able to predict based on his version of the periodic table?

Abundance percentages

Where elements could be found in the world

Physical and chemical properties of elements

Structures of the electrons

Tags

NGSS.HS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The atom with the largest atomic radius in Group 18 is - 

Ar
He
Kr
Rn

Tags

NGSS.HS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The atom with the largest atomic radius in Period 4 (row 4) is - 

K
Kr
Fe
Fe

Tags

NGSS.HS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Atomic Radius is...

the relative size of the atom's nucleus
the relative size of the atom's electron cloud
the energy required to shield the outer electrons from the nucleus
a measure of the ability of an atom to attract electrons

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What term is used to describe "A measure of the size of an atom"

chemical reactivity
atomic radius
energy levels
orbit

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If I am an atom that has 7 valence electrons, what family/group am I in?

Alkali metals (group 1A)

Alkaline Earth metals (group 2A)

Noble Gases (group 8A)

Halogens (group 7A)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How did Mendeleev arrange the elements?

alphabetical

density

melting point

atomic mass (weight)

Tags

NGSS.HS-PS1-1

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