Chemical Formulas Ionic and Polyatomic Formula Balancing Equation Polar and Non Polar

Chemical Formulas Ionic and Polyatomic Formula Balancing Equation Polar and Non Polar

10th Grade

9 Qs

quiz-placeholder

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Chemical Formulas Ionic and Polyatomic Formula Balancing Equation Polar and Non Polar

Chemical Formulas Ionic and Polyatomic Formula Balancing Equation Polar and Non Polar

Assessment

Quiz

Chemistry

10th Grade

Hard

NGSS
HS-PS1-1, MS-PS1-1, HS-PS1-2

Standards-aligned

Created by

Charles Martinez

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which compound has covalent bonds?

H2O

Na2O

Li2O

K2O

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In the ground state, an atom of which element has seven valence electrons?

fluorine

sodium

nitrogen

oxygen

Tags

NGSS.HS-PS1-1

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The degree of polarity of a covalent bond between two atoms is determined by calculating the difference in their

atomic radii

electronegativities

melting points

ionization energies

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

When an F atom becomes an F- ion, the F atom

gains a proton

gains an electron

loses a proton

loses an electron

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which ion in the ground state has the same electron confi guration as an atom of neon in the ground state?

Ca2+

Li+

Cl-

O2-

Tags

NGSS.HS-PS1-1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which element is classified as a metalloid?

Te

Hg

S

I

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The least polar bond is found in a molecule of

HI

HCl

HF

HBr

8.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

When a Mg2+ ion becomes a Mg atom, the radius increases because the Mg2+ ion

gains 2 protons

loses 2 protons

gains 2 electrons

loses 2 electrons

9.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Elements that have atoms with stable valence electron configurations in the ground state are found in

Group 1

Group 2

Group 8

Group 18

Tags

NGSS.HS-PS1-1