Why aluminium foils are use to wrap food items

Which of the following statements is true? The Periodic Table is organized in order of atomic number. Elements in the same period have similar properties. Substances in a mixture lose their unique properties.

List and describe, in your laboratory journal, the four forces acting on amino acids placed in water. These four forces ultimately determine the shape of a protein.

What is one way to increase the solubility of sugar in water? a. Heat the water. b. Chill the water. c. Increase the amount of sugar. d. Decrease the amount of water.

Grade 8 Science Does anyone know the correct answer to this Science question? If you do work on an object, how will its energy change? Its energy will increase. Its energy will decrease. Its energy remains the same.

What is the theoretical yield of aluminum oxide if 1.60mol of aluminum metal is exposed to 1.50mol of oxygen?

What type of reaction is sodium reacting with chlorine

1. If temperature is increased, the number of collisions per second

1. Tonic Bonds are a. Formed when a metal and nonmetal transfer electrons b. Formed when a nonmetal and nonmetal share electrons Formed when a metal forms || bonds with other like atoms d. Formed when noble gases lose electrons

Why does the sun appear to be the brightest star in the sky? A - Its apparent brightness is much greater than other stars. B - It burns more gas, making it brighter than any other star.

What effect does nuclear radiation have on atoms? It splits atoms. It burns atoms. It ionizes atoms.