Which of the following pairs of elements will not form an ionic bond with each other.

Sodium and Argon

Calcium and Oxygen

Magnesium and Chlorine

Aluminum and Nitrogen

Which of these is a physical property

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?