Answers: 1
Chemistry, 22.06.2019 07:30
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
Answers: 3
Chemistry, 22.06.2019 10:00
The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation
Answers: 1
Chemistry, 22.06.2019 16:00
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
Answers: 2
Chemistry, 22.06.2019 18:30
You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas
Answers: 1
14 protons,14 electrons and 14 neutrons...
Mathematics, 02.02.2021 19:40
Chemistry, 02.02.2021 19:40
English, 02.02.2021 19:40
Physics, 02.02.2021 19:40
Mathematics, 02.02.2021 19:40
Mathematics, 02.02.2021 19:40
Business, 02.02.2021 19:40
Biology, 02.02.2021 19:40
Mathematics, 02.02.2021 19:40
Mathematics, 02.02.2021 19:40
Biology, 02.02.2021 19:40
Mathematics, 02.02.2021 19:40