chemical bonding
How many covalent bonds are formed when two hydrogen atoms bond together?
One covalent bond is formed
How many electrons can the first energy level hold?
2 electronss
How many electrons r in tha outer shell of carbon
4 electrons :3
What do triangles on a tectonic map represent?
Convergent plate boundaries
Is melting ice endothermic or exothermic
Endothermic
Draw the lewis structure for a water molecule (H20)
Oxygen has two single covalent bonds w hydrogen and two lone pairs.
Write the noble gas config for sodium (Na)
Draw a Bohr diagram for sodium (Na)
2 electrons in 1st shell, 8 in tha 2nd, n one in the third
what do arrows pointing away from each other show on a plate map?
Divergent plate boundaries
Convert 500 centimeters to meters
5 meters
What type of bond form between sodium (Na) and chlorine (Cl), and why?
An ionic bond forms cause sodium transfers and electron to chlorine
write the noble gas configuration fo chlorine (Cl).
[Ne] 3s23p5
Write isotope notation for carbon-14
146C
Which plate boundarie did the Oreo cookie breaking apart represent???
Divergent boundary
A rock has a mass of 20 g and a Vol of 5 mL. what is its density?
4 g/mL
What ions are formed when magnesium bonds w oxygen? (include charges)
Mg2+ and O2-
Write full electron configuration for oxygen (O)
1s22s22p4
If a gas is heated and pressure stays constant, what happens to the volume??
The vol increases :3
Which plate boundary forms mountains but not volcanoes?
Continental- continental convergent boundary
Why do wildfires spread faster on hot, dry days??
cause heat increases energy transfer and dry fuel ignites more easily
An atom gains 3 electrons. what is ts charge? and is it cation or a anion?
the charge is -3 and it is anion
An orbital diagram shows two electrons w the same spin in one orbital what rule is being violated
The Pauli Exclusion Principle
A gas has a Vol of 4 L at 2 atm. what is the vol at 4 atm?
2 L
How does density affect the movement of tectonic plates?
Denser plates sink beneath less dense plates during subduction
chemical energy is converted into thermal and light energy