A
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?
A reaction that absorbs heat.
What is endothermic?
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?
This piece of glassware is used to measure exact volumes of liquids.
What is a buret/volumetric flask?
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?
Neutrons have this kind of charge
What is a neutral charge?
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/transferring/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?
ethene (C₂H₄) has a sp2
What is the hybridization of carbon(s) in ethene (C₂H₄)?
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 name of the scientist who created the first periodic table?
Who is Dmitri Mendeleev?
What are 2 types of chemical reaction?
Synthesis
Decomposition
Single Displacement
Double displacement
Radioactivity was first pioneered by
Who is Marie Curie?
This refers to sets of eight.
What is the octet rule?
The element that humans breathe in
What is the oxygen?