Chemistry
The maximum number of electrons in the first energy shell
What is 2?
What is the electronic configuration for Nitrogen?
Positrons have this charge
What is a postive charge?
Three types of chemical 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
A fusion reaction differs from a fission reaction in that the fusion reaction requires
heavy atomic nuclei as fuels
What is the chemical formula for Calcium Nitride?
Ca3N2
Baking ingredients for a cake results in what kind of change?
chemical change
Bromine physical state at room temperature
Liquid
The atomic mass tells us this.
What is the average mass of all isotopes?
The maxiumum number of electrons in the 2nd energy shell
What is 8?
Vinegar is made of these three elements.
What is hydrogen, carbon, and oxygen?
How many valence electrons are found on Si
the molar mass of Carbon
12.01 g/mol
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
A component of a voltaic cell that allows the transfer of ions?
Salt Bridge
The sum of protons and neutrons in the nucleus of an atom is known as the _________
What is the mass number?
What is the 2 called in this equation
2 C3
Co-efficient
The inverse relationship of Pressure and Volume is represented as ______ Law
Boyle's
A bond that allows the free mobility of electrons
metallic bond
the compounds or atoms on the left side of an equation are called
reactants
Indicators of a chemical change
What are heat production, odors, gas formation, and color change
A covalent bond is formed by
What is the sharing of electrons?
atoms of SAME PROTONS DIFFERENT NEUTRONS
isotopes
Gamma particle have this kind of charge and mass
What is a neutral charge and no mass?
A reaction that releases heat
exothermic
A type of reaction that absorbs energy
endothermic reaction