Periodic Table
What is the first element in the periodic table?
hydrogen.
how many bonds does carbon form?
4
What do NH3 make?
Ammonia
Fill in the blank: The force or speed of an object in motion is ___
Momentum
liquid to gas is called what?
vaporization
What is a valence electron
electrons in an atom's outermost shell
What is a Chemical Bond?
The force that holds atoms together in one molecule
Solve this:
C+O+O = ?
Carbon Dioxide (CO2)
What is motion?
Change in object's position or orientation over time, described by distance, speed, velocity, and acceleration
in the water cycle, what does liquid to gas mean?
evaporation
What is the Periodic Table?
A chart that organizes all chemical elements by Atomic #, electron configuration, and recurring chemical properties
why do atoms form bonds
to acheive a more stable lower-energy state
DAILY DOUBLE!
This question does not have a compound, but have this equation
What is the formula for Photosynthesis?
6CO2 + 6H2O --> C6H12O6 + 6O2
If the equation is balanced, what happens to force?
It doesn't move
What is the states of matter?
The state of matter describes the physical properties of a material, such as its shape and volume, and how it's particles are arranged
Element with the most electrons
Ognasseon (118 Electrons)
How many bonds does hydrogen form?
What is a Chemical Compound?
It is formed when 2 or more different elements are chemically bonded together in a fixed ratio
Calculate the Speed:
Formula: S = D / T
Mark drove 5 meters from work, and takes 50 minutes to get home. What is the speed of the car?
0.1 meters
DAILY DOUBLE!
From Solid to Gas is what?
Sublimation
How many valence electrons does helium have
2
Does water form hydrogen bonds
yes
Give one example of a compound (can be any)
H2O (Water)
CO2 (Carbon Dioxide)
If the equations are unbalanced, what would happen?
The object would be likely to move
What do these states represent? (must get all 3 for full points)
Solid
Liquid
Gas
Solid = Ice
Liquid = Water
Gas = Air