Two bonds six electrons
How many electrons are in the n = 2 shell of the oxygen
1.
atom before bonding?
What is the maximum number of electrons an oxygen atom
2.
can hold in its outer energy level?
3. How many total electrons are there in a water molecule?
How many electrons are being shared between the atoms in
4.
this molecule?
ten electrons
eight electrons
5. How many bonds exist in this molecule?
four electrons

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points

Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u