found in the nucleus and has a positive charge, has no charge and also is found in the nucleus.
What is a proton and a neutron
100
a bond that forms when electrons are transferred from one atom to another atom.
What is ionic bonds
100
when atoms share one or more pairs of electrons.
What is covalent bonds
100
The process in which the physical and chemical properties of the original substances change as new substances with different physical and chemical properties are formed
What is a chemical reaction
200
the electrons are shared, gained, or lost
What is the formation of chemical bonds
200
has a negative charge and is arranged in energy levels around the nucleus.
What is an electron
200
The process of removing electron and forming ions
What is ionization
200
a combination of chemical symbols and numbers to represent a substance
What is the chemical formula
300
the electrons in the outermost energy levels.
What is a valence electron
300
charged particles that form when atoms gain or lose elec trons.
What is an ion.
300
usually dconsists of two or more atoms joined in a definite ratio.
What is a molecule
300
an expression in which symbols and formulas are used to represent a chemical reaction
What is the chemical equation
400
the elements in the same groups all hace these in common.
What is the valence electron
400
this group of elements cannot make chemical bonds because their outer level is full.
What is noble gases
400
one atom gains an electron while another atom loses an electron.
What is the transfer of electrons
400
a way to represent molecules and atoms in an element.
What is an electron dot diagram
400
Synthesis
Decomposition
Single replacement
Double replacement
What is the types of chemical reactions
500
is more likely to make chemical bonds
What is an atom with less than 8 valence electrons.
500
the number of protons and neutron in an element, the number of electrons in an element.
What is the atomic number and the atomic mass
500
the regular pattern in which a crystal is arranged
What is crystal lattice
500
molecules made up of two atoms, and elements that are found in nature as diatomic molecules
What is a diatomic molecule and a diatomic element.
500
a chemical reaction in which energy is released
a chemical reaction in which energy is absorbed
energy required for an chemical reaction to occur
What is Exothermic reaction, Endothermic reaction, and Activation Energy