Which elements form an ionic compound? check all the boxes that apply

How much does it cost to drive 75 minutes

What metal react with acids to form h2 gas?

Caleb is an inventor who has designed a new kind of fishing net. He is looking for a strong, flexible material that can be used to hold a lot of weight and will not dissolve in water.

Radioactive decay is likely to occur when ... radioactive decay is likely to occur when ... protons break into neutrons and electrons. atoms collide with one another. an electron hits the nucleus. an atom has too many neutrons.

2NO (g) N2 (g) + O2 (g); Keq = 2.1 * 1030 What does the value of the equilibrium constant indicate?

56 Explain, in terms of atomic structure, why the elements in Group 2 have similar chemical properties. 131

What must molecules do to react? a. Molecules must heat up b. Molecules must collide c. Molecules must expand to fill their container d. Molecules must interact with a catalyst

How many pictograms are in a gram?

Which type of signaling pathway uses second messengers because the hormone cannot pass through the plasma membrane? a.) amino acid based b.) lipid based

Why are the gases in the troposphere layer denser than the gases in the other layers?