Oxygen 8
Carbon
6
Gold
79
Calcium
40
Which of these four elements is listed first on
the periodic table?
A oxygen
B carbon
© gold
D calcium

The clouds are grey and ground is wet. a quantitative b qualitative

Agas occupies 475 cm^3 at 313k. find its volume at 367k. you must show all of your work to receive credit. be sure to identify which of the gas laws you will be using

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have