Chemistry questions to be added

What is the definition of matter?

• Anything that occupies space and has mass (weight)

• The ability to do work

• A type of energy

• A chemical substance

Which of the following is NOT a type of energy listed in the document?

• Chemical

• Electrical

• Mechanical

• Thermal

What is the definition of energy according to the document?

• Anything that occupies space and has mass (weight)

• The ability to do work

• A type of matter

• A physical substance

What are the fundamental units of matter?

• Atoms

• Molecules

• Elements

• Compounds

What percentage of the body is made from four elements?

• 90%

• 96%

• 80%

• 85%

Which of the following is NOT one of the four elements that make up 96% of the body?

• Carbon (C)

• Oxygen (O)

• Hydrogen (H)

• Calcium (Ca)

What are the building blocks of elements?

• Molecules

• Atoms

• Compounds

• Cells

What particles are found in the nucleus of an atom?

• Electrons and protons

• Protons and neutrons

• Neutrons and electrons

• Electrons only

Where are electrons located in an atom?

• Inside the nucleus

• Outside the nucleus

• Inside protons

• Inside neutrons

Which of the following is NOT a component of the nucleus?

• Protons

• Neutrons

• Electrons

• Both protons and neutrons