Which of the following terms best describes the nucleus of a radioactive element?

a. unchanging

b. explosive

c. unstable

d. energized

A 1.00 degree increased on the celsius scale is equivalent to a 1.80 degree increased on the fahrenheit scale. if a temperance increased by 48.0 C, what is the corresponding temperature increased on the faherheit scale

Un-reactive elements include the last group of the periodic table.

How does the HR diagram group stars?

The molecular geometry of SO 3 is a tetrahedral b. bent Coctahedral d. trigonal planar pyramidal

The flame produced by the burner of a gas (propane) grill is a pale blue color when enough air mixes with the propane (C3H8) to burn it completely.

Least reactive element of period 3

A chemical formula shows the kind and number of Atoms that form a what? compound, mixture, solution, or suspension

What gas was used as a deadly posiosn in world war 1?

Four moles of hydrogen chloride (HCl) gas react with one mole of oxygen (O2) gas to produce two moles of chlorine gas (Cl2) and two moles of water gas (H2O).

what noble gas electron configuration is achieved by the bromine atoms in a molecule of BR2, a diatomic element?