Protons have this charge
What is a postive charge?
What are the three main states of matter?
Solid, liquid, gas
A covalent bond is formed by
What is the sharing of electrons?
List the first three steps in electron configuration.
1s2 2s2 2p6
Finish the sentence:
Energy is neither ..... nor ...... it is simply converted from one form -- ------
created
destroyed
to another.
The atomic number tells us this.
What is the number of protons?
temperature of ice
0 degrees
Water is made of these two elements.
What is hydrogen and oxygen?
The tendency to attract the electrons of a bond.
Baking ingredients for a cake results in what kind of change?
chemical change
The number you use to find the number of electrons in a neutral atom.
atomic number
Can something get hotter when being heated and boiling?
Nah
Covalent bonding happens generally between these type of elements.
non-metals
Group 18 elements on the right hand side of the periodic table of elements.
What are the Noble Gases?
the atomic number of selenium
34
The maxiumum number of electrons in the 2nd energy shell
What is 8?
What is absolute zero
The coldest possible temperature
Two different elements have ionically bonded. they are called a
Formula Unit
Alkali metals belongs to this group
Group 1
What is the element symbol for Nitrogen?
Name all 3 subatomic particles.
What are Protons, Neutrons, and Electrons
Making ice cubes from water is what kind of change?
physical change?
What are Ionic Bonds held together by?
Their positive and negative charges
Group or family 17 elements are these.
What are Halogens?
The sum of protons and neutrons in the nucleus of an atom is known as the _________
What is the mass number?
atoms of SAME PROTONS DIFFERENT NEUTRONS
isotopes
What is it called when a solid becomes a gas
Sublimation
Type of bond formed by VS is which type
Metallic Covalent Solid or Transition Metal Sulfide
Elements that are the most abundant on the periodic table.
What is a Metal?
Lithium, sodium, potassium, rubidium, caesium and francium belong to the family of ______________
Alkali metals.