Which of the following elements is most metallic?

A. boron

B. carbon

C. nitrogen

D. fluorine

E. sodium

Which is a trait of all seed plants? vascular tissue rhiziods cambium woody stem

Define a balance equations:

A rigid 8.77L tanks contains 1.45 moles oxygen at 20°C. what is the pressure in atm?

What was noticed about the shape of coastlines by sailors as early as the sixteenth century? The West coastline of Africa and East coastline of Australia looked like they fit together The East coastline of South America and West coastline of Africa

What major events cause islands to form in the pacific ocean

A solution is a homogenous mixture of solute and solvent. There are different types of solutions. A carbonated drink is an example of a solution where the solute is a gas and the solvent is a liquid.

Nitrogen molecules rest with oxygen molecules. Nitrogen monoxide molecules are made. N2 + O2 → 2NO Nitrogen molecules and oxygen molecules react extremely slowly, even at 200°C.

What is the name of an object containing both elements #29 and 30 with element #30 in the center surrounded by element #29?

Check every statement about the use of energy by living things that is true. Plants perform chemical reactions that require energy. Animals can use energy from the sun to produce their own food. Plants receive their energy from water in the soil.

Type of bond between na+1 ion and Cl-1 ion is ion