Matter & Atoms
Everything that has mass and takes up space
Hint: Starts with the letter M
Triple points
Matter
How many elements are in baking soda?
NaHCO3
4
U is the Chemical Symbol for what element?
uranium
What is a substance made up of 2 or more elements?
Compound
How many elements are on the periodic table?
The number is between 115-120.
118
What are the 3 main phases of matter?
Solid, liquid, gas
In an chemical symbol, which letter is always capitalized?
the first
Where are all elements organized?
The Periodic Table of Elements
If there is no number after an element in the compound, how many atoms are there?
Triple points
1
What is the chemical symbol for potassium?
K
The smallest part of an element that still has the properties of the element
Starts with A
Atom
What happens when two elements combine to form a compound?
Answer: A new ___________ is formed.
A new substance is formed
H is the chemical symbol for
hydrogen
NaCl is the chemical formula for this spice we put on our food.
Sodium Chloride / Table Salt
.How many elements on periodic table are naturally occurring
92
What is a substance made up of only one type of atom?
Element
What is the following compound that is used to clean cuts?
H2 O2
Hydrogen Peroxide
Most of the elements on the periodic table are metal, nonmetals of gases __________.
metals
What is the most common chemical compound on Earth?
Water H2O
How many elements are in NaHCO3? (400 pts)
How many atoms are in NaHCO3? (400 pts)
4,6
The size of this is about one-tenth of a billionth of a meter across.
It's tiny!
Atom
How many atoms are in the following made up compound:
CH2Mg5OKCl4
14
What is the symbol for salt?
NaCl
CO2 is the chemical formula for this gas that can kill you.
carbon dioxide
What gas made the Hindenburg explode?
hydrogen