The element rubidium is located in group one, while stratum is located in group 2. Which ions are commonly formed by each

Option B. Rb⁺ and Sr²⁺

Explanation:

From the question given above,

Rubidium (Rb) is located in group 1 Strontium (Sr) is located in group 2.

Group 1 element can only form ion by losing 1 electron. Thus, Rubidium (Rb) can form ion by losing it outmost electron (i.e 1) according to the equation below:

Rb —> Rb⁺ + e¯

Thus, Rubidium form ion as Rb⁺

Group 2 element can form ion by losing 2 electrons. Thus, Strontium (Sr) can form ion by losing it outmost electron(s) (i.e 2) according to the equation below:

Sr —> Sr²⁺ + 2e¯

Thus, Strontium form ion as Sr²⁺

SUMMARY:

Rubidium form ion as Rb⁺

Strontium form ion as Sr²⁺

Therefore, option B gives the correct answer to the question.

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa