A small particle that is the building block of matter is a(n)
What is a substance?
A molecule is defined as
Which of the following describes the relationship between atoms, elements, and compounds?
All matter consists of particles called________________.
Atoms consist of parts called protons, neutrons, and___________________.
Each proton has a ______________ electrical charge.
Each electron has a ________________ electrical charge.
Each neutron has an electrically _________________ charge.
The nucleus of an atom contains protons and _________________.