Chemistry
The maximum number of electrons in the first energy shell
What is 2?
What is the element symbol for Potassium/
What is K?
Protons have this charge
What is a postive charge?
The place where Protons and neutrons are located
What is the nucleus?
Elements that are the most abundant on the periodic table.
What is a Metal?
The number you use to find the number of protons in the nucleus.
What is the atomic number?
3 main states of matter
What are Solid, liquid, and Gas?
What is the element symbol for Calcium
What is Ca
Baking ingredients for a cake results in what kind of change?
What is a chemical change?
How many moles in 23 grams of nitrogen?
1.64 moles
The atomic number tells us this.
What is the number of protons?
The maxiumum number of electrons in the 2nd energy shell
What is 8?
Water is made of these two elements.
What is hydrogen and oxygen?
Gram formula mass of Oxygen gas
What is 32g/mol
The type of bond in NaCl
What is an ionic bond?
Group 18 elements on the right hand side of the periodic table of elements.
What are the Noble Gases?
What does 7 represent in the periodic table?
What is the atomic number of Nitrogen?
Two different elements that have bonded.
What is a compound?
Alkali metals belongs to this group
What is Group 1
Name all 3 subatomic particles.
What are Protons, Neutrons, and Electrons
Ions are made in what way.
What is losing (stealing) or gaining electrons?
Making ice cubes from water is what kind of change?
What is a physical change?
Covalent bonding happens generally between these type of elements.
What are nonmetals?
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?
A covalent bond is formed by
What is the sharing of electrons?
Elements represent unique forms of these tiny things. The building blocks of everything!
What are atoms?
Neutrons have this kind of charge
What is a neutral charge?
A general name for protons, neutrons and electrons.
What is subatomic particles?
Lithium, sodium, potassium, rubidium, caesium and francium belong to the family of ______________
What is Alkali metal.
What is the formula to calculate number of moles?
what is given mass divided by gram formula mass?
What are 2 types of chemical reaction?
Synthesis
Decomposition
Single Displacement
Double displacement
Valence electrons are located in this shell
What is the outermost shell of an atom?
This refers to sets of eight.
What is the octet rule?
The element that humans breathe in
What is the oxygen?