Bonds
Subatomic Particles
Periodic Table
Compounds
Atoms
100
This kind of bond occurs when atoms are attracted to each other due to having opposite charges
What is ionic bond?
100
An atom has 8 protons, 9 neutrons and 10 electrons. What is its charge?
2-
100
The very first and lightest element on the periodic table is...?
What is hydrogen?
100
This number shows how many of that atom are present in a compound.
What is a subscript?
100
The region around an atom where electrons are likely to be is called a(n) _________________.
What is an electron cloud?
200
This kind of bond involves the sharing of electrons
What is a covalent bond?
200
These particles have no charge.
What are neutrons?
200
The heaviest elements are unstable and are said to be...
What is radioactive?
200

The chemical symbols used to represent a compound are called a _______________.

What is a chemical formula?

200
When an atom's outermost energy level is full it is said to be _______________.
What is stable?
300
This kind of bond occurs between polar molecules.
What is a polar bond (or hydrogen bond)?
300
These particles have a positive charge.
What are protons?
300

This group of elements will not bond with others.

What are the noble gases?

300

NaCl

What is salt

300
These types of molecules don't share their electrons evenly.
What are polar molecules?
400
When two compounds' charges add up to zero this is called
What is neutral?
400
The 3rd energy level of an atom can hold up to how many electrons?
What is 18?
400
Each of the elements represented on the periodic table has multiple versions called...
What are isotopes?
400

A compound with a high pH is said to be _______________.

What is a base?

400
Another term that represents atomic mass
What is mass number or atomic weight?
500
An atom that has does not have the same number of electrons as it does protons.
What is an ion?
500
Protons are said to be made up of these even smaller particles.
What are quarks?
500
Isotopes differ the number of ________________ present in their nucleus
What are neutrons?
500
Six carbons, twelve hydrogens, six oxygens make what molecule.
What is sugar?
500
The weighted average of the masses of all an element's isotopes
What is average atomic mass?
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