Answer:
Quartz can come in many different colors and shapes idk about malachite but i know that about quartz!
Explanation:
Answer:
increasing thirst when cells are low on water
Explanation:
Isotopes
Atoms of the same element; number of protons remain the same, number of neutrons vary. Chemical properties remain the same. Atomic mass varies.
Na sodium with 11 neutrons = atomic mass of 22
With 22 neutrons the mass is 23.
Both have 11 protons in the nucleus.