What has the smaller atomic radius helium or xenon

Infer why life is unlikely on the outer planets in spite of the presence of water, methane, and ammonia materials needed for life to develop.

Why does winnipeg have a higher annual temperature gradient than vancouver?

Which species would you expect to pass on their traits to the next generation? Species with desirable traits Species with less desirable traits Species with useless traits Species with common traits

if the energy in a serving of food can heat up 450,000 grams of water 1°C, how many Calories are in the serving?

25) How many total ions would be present when an ionic compound is formed between a group 13 element and nitrate ions? A) 2 B) 3 C) 4 D) 5 E) 6

Magnesium chloride is a salt formed with ionic bonds between one magnesium ion and two chloride ions. Magnesium has two electrons in its outer shell and chlorine has seven electrons in its outer shell.

What is formed during a chemical reaction when electrons are lost and gained?

During a nuclear reaction, mass is converted into (1) charge (2) energy (3) isomers (4) volume

The temperature reading of - 14°C corresponds to a Kelvin reading of: -287 K. 287 K. 297.6 K 259 K.

If element X consists of 64.6% of atoms with a mass of 34.0 u, 18.2% of atoms with a mass of 35.0 u, and 17.2% of atoms with a mass of 36.0 u, what is the average atomic mass of element X to the nearest hundredth?