Mass and Numbers
The number of protons in an element is its:
Atomic number/identity
Neutron is _______ charged
What is neutral/no charge?
A(n) _________ is the basic unit of matter
What is an atom?
The chart that identifies all atoms.
What is a periodic table?
Neutral atom with 56 electrons.
What is Barium?
The positively charged subatomic particle
What is a proton
Electrons are _______ charged
What is negative charge? or -1
Electrons in an atom move throughout the _______ surrounding the nucleus.
The difference between an atom and an element.
An element is a pure substance made up of one type of atom, an atom is the smallest particle of an element that retains its properties.
How many neutrons are in the neutral element Antimony?
The mass of an atom is mainly here
What is a nucleus?
The most dense structure of atom is the ______, made up of _______ and _________.
What is nucleus, protons and neutrons?
An atom is electrically neutral when
The vertical column on the periodic table.
What is a group?
The horizontal row on the periodic table.
What is a period?
In an atom which has the least mass: A) proton, B) neutron, C) electron
What two subatomic particles make up the charge of the atom?
What are protons and electrons?
Identify the symbol and number of protons in Silicon
What are number of electron rings/shells?
The elements in the same group have the same number of these.
What is the difference between atomic number and atomic mass? (long sentence)
Atomic number is the number of only protons in the atom, Atomic mass is the number of protons and neutrons in the nucleus of the atom, the weight of the atom
What particle lives in the cloud or rings of the atom?
What is an electron?
How many electrons are present in a neutral Rubidium atom?
What is 37?
This atom has more neutrons than protons?
What is an isotope?
This atom has more electrons than protons.
What is an ion?