Table salt is a compound or element?

If you are diving and playing in the waves near a beach and suddenly find that you are being pulled out into the ocean at a relatively quick pace, what current are you most likely trapped in?

Would you find rising air above a warm area of earth's surface or above a cool area

Consider the reaction below. Mg (s) + 2HCl (aq) - - > H2 (g) + MgCl2 (aq) What is the most likely effect of an increase in pressure on this reaction? The reactant surface area increases. The reaction rate decreases.

Which feature of an object affects its weight? Select three options.

What is shielding effect?

Why is it incorrect to balance a chemical equation by changing the subscripts?

A solution of CuSO4 is labelled 0.01 M. How much CuSO4 in grams, must be used to make 1 liter of solution? A) 1.120 g B) 1.595 g C) 1.6 g D) 15.0 g

Rank the following elements according to their ionization energy: tin krypton antimony arsenic

Water (3030 g) is heated until it just begins to boil. If the water absorbs 5.49*105 J of heat in the process, what was the initial temperature of the water?

Identify the number of core and valence electrons for each atom. Xe : core electrons Xe : valence electrons Ca : core electrons Ca : valence electrons Br : core electrons Br : valence electrons