RTE 1401 Test Questions and Answers | 2026
Update | 100% Correct.
Atom
Basic unit of matter, composed of protons(in the nucleus) neutrons, electrons(surround the
nucleus
What is the charge of protons?
positive
What is the charge of neutrons?
neutral
What is the charge of an electron?
negative
What makes up an Atomic mass?
protons + neutrons
What are considered the fundamental particles?
Electrons, neutrons, & protons
Nucleons are composed of particles known as?
protons and neutrons in the nucleus
Electrons are
Microscopic particles, related to energy, with very little mass
, K shell
The innermost electron shell of an atom, closest to the nucleus.Maximum amount of electrons it
can hold is 2
valence shell
The outermost energy shell of an atom, containing the valence electrons involved in the chemical
reactions of that atom.
Octect Rule (Rule of 8)
Except for the first shell (full with two electrons) atoms interact to have eight electrons in their
valence shell
Atoms must be electrically...?
Neutral
atomic number
the number of protons in the nucleus of an atom
Anion
A negatively charged ion
Cation
A positively charged ion
The nucleus has a __________ charge?
positive (due to protons)
Update | 100% Correct.
Atom
Basic unit of matter, composed of protons(in the nucleus) neutrons, electrons(surround the
nucleus
What is the charge of protons?
positive
What is the charge of neutrons?
neutral
What is the charge of an electron?
negative
What makes up an Atomic mass?
protons + neutrons
What are considered the fundamental particles?
Electrons, neutrons, & protons
Nucleons are composed of particles known as?
protons and neutrons in the nucleus
Electrons are
Microscopic particles, related to energy, with very little mass
, K shell
The innermost electron shell of an atom, closest to the nucleus.Maximum amount of electrons it
can hold is 2
valence shell
The outermost energy shell of an atom, containing the valence electrons involved in the chemical
reactions of that atom.
Octect Rule (Rule of 8)
Except for the first shell (full with two electrons) atoms interact to have eight electrons in their
valence shell
Atoms must be electrically...?
Neutral
atomic number
the number of protons in the nucleus of an atom
Anion
A negatively charged ion
Cation
A positively charged ion
The nucleus has a __________ charge?
positive (due to protons)
