Question

periodic table basics practice

mark all that are correct about the electromagnetic force.

□ opposite charges attract

□ opposite charges repel

□ same charges attract

□ same charges repel

□ two protons repel each other

□ two protons attract one another

□ two electrons attract one another

□ two electrons repel each other

Explanation:

• Opposite charges (e.g., + and -) attract due to electromagnetic force.
• Same charges (e.g., + and +, - and -) repel.
• Protons are positively charged, so two protons repel.
• Electrons are negatively charged, so two electrons repel.

Answer:

• Opposite charges attract
• Same charges repel
• Two protons repel each other
• Two electrons repel each other