Chemical Symbol
What is the chemical symbol for Hydrogen?
H
The smallest particle of an element; composed on electrons, neutrons, and protons is an...
atom
Elements are arranged on the Periodic Table by their ______.
Properties
What does brittle mean?
breaks easily
Non-metals generally have a lower ______________ than metals.
Density
What is the chemical symbol for oxygen?
O
anything made by combining two or more different things is a...
Mixture
_______ _______ developed the Periodic Table.
Dmitri Mendeleev
Definition of luster?
The ability of a metal to reflect light.
Which of the following is an example of a compound?
SALT
What is the chemical symbol for helium?
He
A pure substance composed of the same type of atom throughout is an...
Element
_________ properties of matter that can be observed or measured WITHOUT changing the identity of matter.
Physical
In your own words what does density mean?
A comparison of how much matter is in a certain amount of space
What are the two most common elements in the hydrosphere?
Oxygen (86%) and Hydrogen (10%)
What is the chemical symbol for carbon?
C
A pure substance formed when two or more elements are chemically bonded with unique properties
Compound
________ properties of matter that gives a substance the ability to undergo a chemical change.
Chemical
Mercury is the only metal that is ______ at room temperature.
liquid
The smallest particle of a compound; composed of chemically bonded atoms in a set ratio
Molecule
What is the chemical symbol for gold?
Au
An abbreviation, comprised of one capital letter or one capital and one lowercase letter, used to represent an unique element
Chemical Symbol
Earths atmosphere is mostly made up of ______ and _______.
oxygen and nitrogen
How can you separate a compound?
chemical change
What are the two most common elements in the lithosphere?
Oxygen (47%) and Silicon (28%)