One of the disadvantages to use Permanent-mold casting is that you cannot insert cores in the molding. Group of answer choices True False

What happens to colors in sunlight when droplets of water in the atmosphere act like prisms? A. dispersion B. polarization C. absorption D. interference

Elements that are gases at room temperature are likely to be classified as which of the following

What is the same about all atoms of one element

Rank the following elements by electron affinity, from most positive to most negative EA value. Rank from most positive to most negative. To rank items as equivalent, overlap them. argon, sodium, iodine, oxygen, phosphorus

At equilibrium, what is the rate of production of reactants compared with the rate of the production of products? A.) much higher B.) higher C.) the same D.) lower

To show the electron configuration for an atom, what is the advantage of using an orbital notation compared to a dot structure? Orbital notation takes up less space. Orbital notation shows the spin of the electrons.

What happens to a container of gas when the pressure is increased?

Which statement is true about a base when it reacts with another substance? a. It receives a hydrogen ion. b. It receives a hydroxide ion. c. It donates a hydrogen ion. d. It donates a hydroxide ion.

Which sample at STP has the same number of atoms as 18 liters of Ne at STP

An acidic solution could have a pH of