Science Final 21-40 Flashcards
The materials start with in a chemical reaction are called the……..
Reactants
The materials you end with in a chemical reaction are called the ……..
Products
A substance that changes color in an acid or base is called a(n) _______________.
Indicator
Anything that has mass and takes up space is called _________________
matter
The state of matter that has a definite shape and volume.
Solid
If a metal can be pulled into wires, it is said to be ___________________.
Ductile
When one atom steals an electron causing it to become negatively charged.
Ionic Bond
Two non-metals that share electrons.
Covalent Bond
An atom that has lost or gained electrons and becomes charged.
Ion
The effect of gravity on mass is called….
Weight
To give off heat is called….
Exothermic
The amount of space an object takes up.
Volume
The amount of mass and object has is called…..
Matter
A solid that is formed from the chemical reaction of two liquids is called…..
precipitate
To take in heat
endothermic
Metal or Nonmetal
Found on the left side of the periodic table, fewer valance electrons, malleable, ductile, usually gray or silver in color and have a metallic luster.
metal
Metal or Nonmetal
Found on the right side of the periodic table, have a greater number of valance electrons, come in many colors, not ductile, not malleable, found in many states of matter.
Nonmetal
Two or more substances not bonded together in no particular ratio is called a(n)……
mixture
The type of change that involves no new products
Physical Change
The type of change where new products are created
Chemical Change.