Substances
False, all substances have atoms.
Where is the proton located in an atom?
In the nucleus
What is the charge of a neutron?
It does not have a charge; it is neutral.
If elements X has an atomic number of 4, how many protons does it have?
True or false: Elements can be made up of atoms of different kinds.
False; elements are only made up of atoms of one kind.
True or false: a proton weighs less than an electron.
False; a proton weighs more.
What is the overall charge of the nucleus?
The nucleus has a positive charge because it is made of protons (positive charge) and neutrons (neutral charge).
Where is the electron located in an atom?
In the electron cloud (far outside of the nucleus of an atom)
If element X has an atomic number of 2, how many electrons does it have?
2 electrons
What kind of atoms is copper made out of?
Copper atoms.
What is the charge of a proton in an atom?
Positive charge
Where are the neutrons located in an atom?
Inside the nucleus.
False: They move around the nucleus in orbits.
If element X has an atomic number of 5 and a mass number of 11, how many neutrons does it have?
6 neutrons
What are the three parts of an atoms?
Proton, neutron and electron.
The number of protons is also equivalent to the number of ______.
Relative to electrons, do neutrons have more mass or less mass than electrons?
More mass
If an atom has 3 protons, how many electrons will it have?
3 electrons
If element X has a mass number of 12 and 6 protons, how many electrons does it have?
6 electrons
Which two parts make up the majority of the mass of an atom?
Proton and neutron
The number of protons is also equivalent to the ____ number?
Atomic number
True or false: Relative to protons, neutrons have a similar mass.
True
True or false: the mass of the electron is taken into account when adding up for the mass number.
False: the mass number is the sum of the mass of the protons plus the mass of the neutrons.
If element X has 3 electrons, 3 protons and 4 neutrons, what is its mass number?