Which elements has the same chemical and physical properties the one in the same period or the one the same group?

17 Which compound has the strongest hydrogen bonding between its molecules? (1) HBr (3) HF (2) HCl (4) HI

In the space-filling model, what determines the relative sizes of the spheres?

How many moles of AlCl3 are produced

What is made of 1 or more element chemically bonded through electron sharing?

Which statement accurately describes homeostasis? A. Homeostasis is a factor in the environment that creates a response. B. Homeostasis is the number of cells in an organism, such as a unicellular or multicellular organism. C.

Write a brief explanation about why a plant extract is a mixture

What is an element that has more valence electrons than fluorine and less energy levels than sodium?

Why can't we breathe in pure oxygen for long

In warm water conditions, female offspring hatch from eggs laid by painted turtles. Male offspring are produced under cold conditions.

It takes 53.0 J to raise the temperature of an 11.0 g piece of unknown metal from 13.0∘C to 24.2 ∘ c. What is the specific heat for the metal?