Chemistry
The maximum number of electrons in the first energy shell
What is 2?
What is the element symbol for Nitrogen?
Protons have this charge
What is a postive charge?
Three main atomic bonds.
What is ionic, covalent and metallic?
The most abundant type of elements on the periodic table.
What is a Metal?
How do we find the number of protons of an atom?
atomic number
WHAT ARE THE THREE STATES OF MATTER
SOLID LIQUID GAS
What is the element symbol for Calcium?
Ca
Baking ingredients for a cake results in what kind of change?
chemical change
oxygen is what kind of element on the periodic table
gas
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?
Is water an element or a compound
Compound
the atomic number of Carbon
6
What is the 2 called in this equation
2 C3
Co-efficient
temperature of ice
0 degrees celsius
Two different elements that have bonded. they form a
compound
the compounds or atoms on the left side of an equation are called
reactants
Name all 3 subatomic particles.
What are Protons, Neutrons, and Electrons
What is the 2 is this equation called?
C2
Subscript
Making ice cubes from water is what kind of change?
physical change?
Covalent bonding happens generally between these type of elements.
non-metals
the compounds or elements on the right side of an equation
Products
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?
atoms of SAME PROTONS DIFFERENT NEUTRONS
isotopes
Neutrons have this kind of charge
What is a neutral charge?
A reaction that releases heat
exothermic
A type of reaction that uses energy
endothermic reaction