How many electrons are in selenium - 36?

How to convert 950g = kg

What information is necessary to describe motion scientifically? the time an object travels the distance an object travels in a given time the distance and time an object travels the rate and direction an object travels

What does a number pyramid tell you about an ecosystem? The biomass of each trophic level. The number of organisms in each trophic level. The lifespan of organisms in each trophic level. The energy transfer between trophic levels.

How does pressure affect molecules

What is the first letter of every species

On a trip to an animal farm, Pete saw a black horse with two colts: one spotted colt and one black colt. Which statement BEST describes what Pete sees? A) Offspring may or may not look like one parent.

KBr (aq) + AgNO3 (aq) → KNO3 (aq) + AgBr (s) In the chemical reaction above, what state is KBr in?

Which group in the the periodic table contains elements with the valence electron configuration of ns2 npl1?

When sodium atoms (Na) and chlorine atoms (Cl) join to make sodium chloride, or table salt, they form an ionic bond.

Look around you and identify five objects. Decide if they are composed of natural or synthetic materials.