Semester review Pt 1

Which of the following elements is a noble gas?

• Oxygen

• Nitrogen

• Argon

• Hydrogen

What is the atomic number of Carbon?

• 6

• 12

• 14

• 8

Which subatomic particle has a negative charge?

• Proton

• Neutron

• Electron

• Positron

What type of bond is formed when electrons are transferred from one atom to another?

• Covalent

• Ionic

• Metallic

• Hydrogen

What is the term for the number of protons in the nucleus of an atom?

• Mass number

• Atomic number

• Isotope number

• Neutron number

Which of the following elements has +1 charge?

• Potassium

• Magnesium

• Aluminum

• Sulfur

Which type of bond involves the sharing of electron pairs between atoms?

• Ionic

• Covalent

• Metallic

• Van der Waals

Which of the following elements is most electronegative?

• Carbon

• Fluorine

• Oxygen

• Nitrogen

Tags

NGSS.HS-PS1-1

What is the term for a molecule with a partial positive charge on one side and a partial negative charge on the other?

• Nonpolar

• Polar

• Ionic

• Metallic

Which of the following is a characteristic of ionic compounds?

• Low melting point

• High electrical conductivity in solid state

• High melting point

• Poor solubility in water