GENERAL CHEMISTRY

The electrons involved in bonding are

• found closest to the nucleus

• found in the nucleus

• in the highest occupied energy level(s)

• none of the choices

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Typically, when two atoms form a chemical bond, the expected result is that the electrons

• will be in the excited state

• will be completely removed from both atoms

• will complete a noble gas configuration for both atoms

• all of the choices

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An -ate or -ite at the end of a compound name usually indicates that the compound contains ____

• fewer electrons than protons

• neutral molecules

• only two elements

• a polyatomic anion

Which of the following compounds contains the lead(II) ion?

• PbO

• PbCl₄

• Pb₂O

• Pb₂S

What is the correct formula for potassium sulfite?

• KHSO₃

• KHSO₄

• K₂SO₃

• K₂SO₄

Given the formula for hydrazine, How many pairs of electrons are shared between the two nitrogen atoms?

• 1

• 2

• 3

• 4

Given the Lewis electron-dot diagram, which electrons are represented by all of the dots?

• the carbon valence electrons, only

• the hydrogen valence electrons, only

• the carbon and hydrogen valence electrons

• all of the carbon and hydrogen electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which element has an atom with the greatest tendency to attract electrons in a chemical bond?

• C

• Si

• S

• Cl

Tags

NGSS.HS-PS1-1

Sulfur hexafluoride is an example of a ____.

• monatomic ion

• polyatomic ion

• binary compound

• polyatomic compound

When dissolved in water, acids produce ____.

• negative ions

• polyatomic ions

• hydrogen ions

• oxide ions