Which subatomic particle has positive charge?
Proton
A LITTLE HEAD START
Chemistry · Atoms & bonds
Chemistry · 20 cards · Recall starter library
20 introductory chemistry concepts. A compact foundation for further science study.
Study this deck free →No account needed to try. A personal copy is saved to your active account or this device; your review history stays private.
Which subatomic particle has negative charge?
Electron
Which subatomic particle has no net charge?
Neutron
Which atomic region contains protons and neutrons?
Nucleus
What does atomic number count?
Protons
What does mass number count?
Protons plus neutrons
What distinguishes isotopes of the same element?
Different numbers of neutrons
What is an atom or group with net electrical charge called?
Ion
What is a positively charged ion called?
Cation
What is a negatively charged ion called?
Anion
What usually happens to electrons when a neutral atom forms a cation?
Electrons are lost
What usually happens to electrons when a neutral atom forms an anion?
Electrons are gained
Which electrons are most involved in chemical bonding?
Valence electrons
Which bond involves shared electron pairs?
Covalent bond
Which attraction holds oppositely charged ions together?
Ionic bonding
What distinguishes a polar covalent bond?
Unequal sharing of electrons
What is a vertical periodic-table column called?
Group
What is a horizontal periodic-table row called?
Period
What does an element’s chemical symbol represent?
The element’s identity
What is a molecule?
A discrete group of chemically bonded atoms
References & scope
Independently written starter questions for general revision. Check your course material; linked organizations do not endorse Recall.