WorksheetsVocabulary Quiz Week 2
Total questions: 8
Worksheet time: 4mins
What is the fundamental unit of which elements are composed?
Molecule
Atom
Compound
Proton
Which subatomic particle is positively charged and located in the atomic nucleus?
Electron
Neutron
Proton
Atom
What is the charge of a neutron?
Positive
Negative
Neutral
Variable
Which subatomic particle has a negative charge?
Proton
Neutron
Electron
Nucleus
What is the term for the number of protons in the nucleus of a given atom?
Mass number
Atomic number
Element number
Proton number
What is a substance that cannot be decomposed into simpler substances by chemical or physical means?
Compound
Mixture
Element
Solution
What is the relatively small and dense center of positive charge in an atom called?
Electron cloud
Nucleus
Proton
Neutron
What is a substance made up of two or more different elements joined together in a specific way?
Element
Mixture
Compound
Solution
