The four elements comprising over 90 of living matter are

Tamara sells her ice cream in 43 ounce cartons. One Friday she sold 11 cartons filled with 371 ounces of ice cream. How many large and small cartons did she sell?

In a normal cellular protein, where would you expect to find a hydrophilic amino acid such as asparagine?

Is butter melted in a pan a endothermic or exothermic change

What trend does the atomic radius follow along a period on the periodic table? A. The atomic radius gets smaller the farther right it appears on the periodic table. B. The atomic radius gets larger the farther right it appears on the periodic table.

What is the mass of oxygen in 10g of water

Scientist are always learning new things. which of the following shows how scientist use observations to gain new understanding about the world? A. scientists have discovered new planets orbiting a star by detecting a wobble in the star's motions. B.

A chemical reaction, where more energy is released than is needed to get the reaction started, is called? A) A really amazing reaction B) Endothermic C) Exothermic D) Non-reactive

How many molecules are in 8.3 moles?

When phenolphthalein indicator is added to a colorless solution with a pH of 10, a student observes and concludes that the tested solution 1 remains colorless and is basic 2. remains colorless and is acidic 3. turns pink and is basic 4.

Which of these discoveries contradict components of dalton atomic theory? Check all of the boxes that apply