A study was conducted to determine the effect of climbing too high attitudes of climbers memory. Independent variable:
Dependent:
Constants:

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent