Q.1.
Subatomic particle that has a positive charge
Q.2.
Subatomic particles with a positive charge
Q.3.
How many electrons does a sodium atom have?
Q.4.
An atom has an atomic number ofand a mass number ofHow many protons are there in the atom?
Q.5.
How many protons does an aluminum atom have?
Q.6.
The mass number of an element that hasprotons,electrons, andneutrons is _____.
Q.7.
If an element hasprotons,neutrons, andelectrons, what is that elements atomic mass
Q.8.
In order for an atom to be neutral what has to be true?
Q.9.
What element has 9 protons, 9 electrons, andneutrons?
Q.10.
When you have a positive ion of an atom, Na+1 for example, do you have a higher number of protons or electrons?
Q.11.
Alkaline Earth Metals...
Q.12.
Alkali metals are located where on the periodic table?
Q.13.
Which other element has the same number of valence electrons as chlorine?
Q.14.
The vertical rows of the periodic table, also called families
Q.15.
The arrangement of elements in order of increasing atomic number
Q.16.
The horizontal rows of the periodic table
Q.17.
The electrons that are on the outer most region of the atom
Q.18.
This unit is represented by the combined number of protons and neutrons
Q.19.
This number is represented by the number of protons in the atom
Q.20.
The negative charge particles that float around the outside of the atom