SCH3U Exam Review #1

Which of the following would be considered a base?

• NaOH

• H₂SO₄

• NaCl

• H₂O

What is the name of the positively charged subatomic particle in the nucleus of an atom?

• Electron

• Neutron

• Proton

• Turtleon

What is the name of the negatively charged subatomic particle that orbits the nucleus?

• Electron

• Neutron

• Proton

• Flamingon

What is the subatomic particle that does not have a charge and that can be found in the nucleus of an atom?

• Electron

• Neutron

• Proton

• Pigeon

Which of the following is not one of the naturally occurring diatomic molecules? (hint: HOFBrINCl)

• Hydrogen

• Nitrogen

• Bromine

• Sulfur

Which of the following is the reason that water has a relatively high boiling/melting point compared to other molecular compounds?

• Dipole-dipole forces

• London dispersion forces

• Hydrogen bonding

• Ionic bonding

Which of the following is a heterogeneous mixture?

• Apple juice

• Salt water

• Clean Air

• Fruit Loops cereal

The ability of a substance to dissolve is called:

• Lustre

• Malleability

• Ductility

• Solubility

Tags

NGSS.HS-PS1-5

An atom that gains or loses electrons is called a(n):

• Element

• Neutron

• Ion

• Atomizer

Which element is represented by the Bohr-Rutherford diagram in the picture?

• Sodium

• Hydrogen

• Helium

• Lithium