Why is calcium (Ca) in group 2, period 4 on the periodic table?
(A) Calcium, like all group 2 elements, is nonreactive and a gas at room temperature
(B) Calcium, like all period 4 elements, is nonreactive and a gas at room temperature
© Calcium, like all group 2 elements, is reactive and a solid at room temperature.
D Calcium, like all period 4 elements, is reactive and a solid at room temperature.
Answers: 3
Chemistry, 22.06.2019 08:00
Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.
Answers: 2
Chemistry, 22.06.2019 10:00
Why is the structure of molecule important to its function?
Answers: 1
Chemistry, 23.06.2019 03:00
What happens in the particles of a gas when the gas is compressed
Answers: 1
Why is calcium (Ca) in group 2, period 4 on the periodic table?
(A) Calcium, like all group 2 eleme...
Chemistry, 20.01.2022 21:40
Social Studies, 20.01.2022 21:40
Mathematics, 20.01.2022 21:40
Social Studies, 20.01.2022 21:40
Mathematics, 20.01.2022 21:40
History, 20.01.2022 21:40
Mathematics, 20.01.2022 21:50
Physics, 20.01.2022 21:50