Bases & Acids
Composed of metal and nonmetal.
What is salt?
An atom with its outermost shells completely filled.
What is a stable atom?
A substance formed as a result of chemical change
What is a compound?
The number of protons in the nucleus.
What is atomic number?
Symbols and numbers that identify an element.
What are chemical formulas?
A substance that changes color when in an acid or base.
What is a indicator?
A bond where atoms share electrons
What is a covalent bond?
This kind of bond shares electrons between the multiple atoms
What is a covalent bond?
Bases that dissolve in water.
What is alkalis?
A table that classifies elements.
What is the periodic table of the elements?
A substance produced from a reaction between a base and an acid.
What is salt?
An atom that has gained or lost electrons.
What is an ion?
Stable atoms barely bond with other atoms because of their full ______
What are shells?
The three main parts of an atom
What are protons,neutrons, and electrons?
The horizontal rows of the periodic table of elements.
What are periods?
A type of flower that changes color depending of the PH level of the soil it is in.
What are hydrangeas?
The study of matter- what it is made of, what its usual characteristics are, and how its reacts to other matter.
What is chemistry?
The process that joins together two different types of atoms
What is chemical change?
A chemical reaction that occurs when molecules combine to create a new substance.
What is a synthesis reaction?
The vertical columns in the periodical table of the elements.
What are groups?
Common forms of salt.
What are substitute salt, table salt, and chalk?
The center of an atom.
What is a nucleus?
A reaction in which a compound breaks down into two or more simpler compounds
What is decomposition reaction?
A device used to smash atoms together.
What is a particle accelerator?
The columns on the left of the perodic table of elements.
What are metals?
The neutral substance on the pH scale
What is water?
Molecules formed as a result of a chemical reaction of TWO or more different elements
What is a compound?
Atoms may join with other atoms to form this.
What is a molecule?
What we call what scientists think about atoms
What is atomic theory?
Man who made a simple model of an atom based on the idea that eletrons move in shells
Who is Niels Bohr?
Elements in a group in the periodic table have this in common.
What is the same number of electrons in their outer shells?
Abbreviations for the names of the elements
What are chemical symbols?