day 2 chemistry

day 2 chemistry

Multiple Choice

Q4. Protons, neutrons, and electrons are --

• friends

• subatomic particles

• parts of a battery

• submarine particles

Multiple Select

an electron is

• A) positively charged

• B) negatively charged

• C) outside the nucleus

• D) inside the nucleus

• A & C

Electrons are OUTSIDE of the nucleus and they have a negative charge. Where they are is called a valence shell, or a electron cloud. Sometimes molecules will share an electron. That's how they bond

Multiple Choice

A proton is

• positively charged

• negatively charged

• neutral charged

• outside the nucleus

This is a hydrogen atom. If you care to notice, there is a proton in the center & it has a positive charge.

Multiple Choice

the center of the atom is called

• the nuclear

• the Nucleus

• protons

• the submarine

Multiple Choice

the center of the atom consists of

• A) protons

• B) neutrons

• C) electrons

• D) A&B

• E) B&C

This is a carbon atom.

• In a stable molecule, there are the same amount of protons and electrons in an atom

• carbon is what life is made of

Multiple Select

choose all that apply

• there are three electrons

• there are six protons

• there are six electrons

• there are three neutrons

• there are six neutrons

Multiple Select

The human body is mostly made of what?

• carbon

• calcium

• Nitrogen

• oxygen

• Hydrogen