Hydrogen (atomic number 1) has three isotopes: ¹h, ²h, and ³h. what is the number of protons in an atom of hydrogen with the highest mass number? (a) 2 (b) 1 (c) 0 (d) 3

What is the formula that this ionic compounds could form sr2+p3-o2-

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.