Introduction to Atoms and Elements

Multiple Select

Which of the following are true about elements?

• They are found on the Periodic Table of Elements

• They can be broken down into simpler substances by normal means

• They are made of only one kind of atom

• They are the smallest unit of matter

Multiple Choice

What is the smallest unit of matter called?

• Atom

• Element

• Molecule

• Compound

Multiple Choice

What is the charge of a proton in an atom?

• Positive

• Negative

• Neutral

• No charge

Multiple Select

Which of the following statements about electrons are correct?

• They have a negative charge.

• They are found in the nucleus.

• They orbit the nucleus in energy levels.

• They have a positive charge.

Multiple Choice

Which part of an atom orbits the nucleus in energy levels?

• Proton

• Electron

• Neutron

• Nucleus

Open Ended

Explain the difference between a proton and an electron in terms of their charge and location within an atom.

Multiple Choice

Which of the following statements best describes the relationship between atoms and elements?

• An atom is made up of different elements.

• An element is made up of different atoms of various types.

• An element is a type of atom, and each element contains only one kind of atom.

• Atoms and elements are completely unrelated.

Multiple Choice

What is the name of the positively charged part of an atom?

• Proton

• Electron

• Neutron

• Photon

Multiple Choice

Which subatomic particle has a positive charge and is found in the nucleus of an atom?

• Proton

• Electron

• Neutron

• Photon

Multiple Choice

Which element is represented in the flask, and where can it be found on the periodic table?

• Nitrogen, found in group 15

• Oxygen, found in group 16

• Hydrogen, found in group 1

• Carbon, found in group 14

Multiple Choice

Which of the following statements best describes an element?

• A pure substance made of only one kind of atom

• A mixture of different types of atoms

• The smallest unit of matter

• A substance that can be broken down by normal means

Open Ended

Summarize the relationship between atoms and elements as explained in the lesson. Why is it important to understand this relationship?