Elements, Compounds, and Chemical Bonds

Everything we see in the universe is made up of matter. Can you identify what constitutes matter?

• Protons and neutrons

• Particles and energy

• Molecules and cells

• Elements and atoms

Answer explanation

Matter is composed of atoms and elements, which make up everything we can see in the universe.

What are the subatomic particles that make up atoms?

• Protons, electrons, and neutrons

• Nucleus and elements

• Periodic table, properties, and charges

• Hydrogen bonds, ionic bonds, and other chemical bonds

Answer explanation

Atoms are made up of protons, electrons, and neutrons. These subatomic particles are responsible for the structure and properties of atoms.

How many different varieties of elements are there on a periodic table?

• 50 types of atoms

• 75 types of atoms

• Over 100 types of atoms

• Exactly 150 types of atoms

Answer explanation

The periodic table contains over 100 different varieties of elements, making 'Over 100 types of atoms' the correct choice.

Which type of bond is the strongest?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Van der Waals force

Which type of bond is the weakest?

• Ionic bond

• Covalent bond

• Hydrogen bond

• James Bond

Answer explanation

The weakest type of bond is the hydrogen bond. It is weaker than ionic and covalent bonds. James Bond is not a type of bond.

Which type of bond is stronger, a covalent bond or a hydrogen bond?

• Covalent bond

• Hydrogen bond

• They are equally strong

• Nothing is stronger than the bond of friendship

Answer explanation

A covalent bond is stronger than a hydrogen bond. Covalent bonds involve the sharing of electrons between atoms, while hydrogen bonds are weaker and involve the attraction between a hydrogen atom and an electronegative atom.

Olivia found a shiny object while playing in the park. She believes it's Gold (Au). Zoe, being a science enthusiast, tells her that Gold (Au) is a(n):

• Element

• Compound

• Neutron

• Electron

Answer explanation

Gold (Au) is an element.

Anika, Aiden, and Oliver were having a discussion about the nature of water (H2O) during their chemistry class. They concluded that water (H2O) is a(n):

• Element

• Compound

• Neutron

• Electron

Answer explanation

Water (H2O) is a compound because it is made up of two different elements, hydrogen and oxygen, chemically bonded together.

What are the parts that make up an atom?

• Covalent bonds and hydrogen bonds

• Compounds

• Protons, neutrons, electrons

• Periodic tables and properties

Answer explanation

An atom is made up of protons, neutrons, and electrons. These particles are the building blocks of all matter.

Which 2 of these are compounds?

• Hydrogen (H)

• Carbon Dioxide (CO2)

• Oxygen (O)

• Sugar (C6H12O6)

Answer explanation

Carbon Dioxide (CO2) and Sugar (C6H12O6) are compounds because they are made up of two or more elements chemically bonded together.