Show:
Counting Atoms
Matter
Subatomic Particles
Electrons
Density
100
2 H20
The correct answer is 6
100
What is Matter?
Anything that has mass and takes up space
100
Where are elections located?
In the orbitals or electron rings on the outside of the atom
100
If you have an atom with 12 protons and 14 electrons what charge does it have?
-2
100
What is the formula for calculating Density?
Density equals Mass divided by volume
200
5 C2H6
The correct answer 40
200
Which States of matter takes up the shape of their container?
Liquid and Gas
200
What is the center of as atom where protons and neutrons are located called?
The Nucleus
200
If an atom starts as neutral then gains three electrons what is the new charge?
-3
200
If Mr. Fahie's basketball trophy has a density of 3.4 b/cm3 and a volume of 89 cm3 what is the mass?
302.6
300
CO2
Correct answer is 3
300
What are the 4 states of matter?
Liquid, Solid, Gas, Plasma
300
The atomic number is equal to the amount of what subatomic particle?
Protons
300
What is the group called with their orbitals already completely filled?
The noble gases
300
What is the area of a box whose demenions are 4 cm 6 cm 3cm
72 cm3
400
2 NaCl
The correct answer 2
400
During a chemical reaction is matter lost?
No, matter can be released into the atmosphere
400
Protons plus Neutrons equal what?
Atomic Mass
400
Lewis dot diagrams show the number of?
Valence elections
400
Define what density is?
The amount of particles that take up a given amount of space
500
3 CaC2(OH)3
27 atoms
500
What is a animal made of?
Matter!!!!
500
When there are more protons then neutrons we call the atom a _____?
Cation
500
If the atomic mass is 26 and the atom has 13 protons how many neutrons does it have?
It will have 13 neutrons?
500
What is the density of an object that has a volume of 34 L and a mass of 202 g?
what is 5.9 g/L