chemical boinding
What happens to electrons in a covalent bond?
they are shared between atoms.
draw the orbital diagram for oxygen (O)
see page 74
write the isotope notation for carbon with 7 neutrons
136C
what does a line with trangles on one side mean on a tectonic map?
subduction zone
is melting ice an endothermic or exothermic process?
endothermic
what type of elements usually form ionic bonds?
metals and nonmetals
write the noble gas configuration for potassium (K)
[Ar] 4s1
how many electrons are in the second shell of oxygen?
6
what forms a divergent boundary?
mid-ocean ridge
convert 2,500 milligrans to grams
2.5 grams
draw the lewis structure for H20.
see page 74
write the noble gas configuration for sulfur(S)
[Ne] 3s2 3p4
how many energy levels does sodium have?
3
in the oreo lab what did the cream repesent?
the asthensphere
what is the density of an object with a mass of 10 grams and a volume of 2 cm3?
5 g/cm3
write the formula doe the compound dormed by Mg2+ and Cl-
MgCl2
write the full electron configuration for magnesium (Mg)
1s22s22p63s2
if pressure doubles, what happens to volume (charles law question)
it goes in half
what plate boundary causes earthquakes along faults?
transform boundary
how do wildfires affect air quality?
they release smoke and it pollutes the air
what ia the charge on an ion with 17 protons and 13 electrons?
-1
write the full electron configuration for chlorine (Cl)
1s2 2s2 2p6 3s2 3p5
if tempature increases, what happens to gas volume? (boyles law question)
it increases
why is mantle viscosity important for plate movement?
it allows plates to move slowly over it.
what type of energy changes occurs when wood burns?
chemical energy is converted to heat and light energy.