Tellurium is a metalloid. How many valence electrons does tellurium have?

Part b which of the isoelectronic pairs you determined above has the same electron configuration?

Why are ionic compounds solid at room temperature?

Explain why the symbol for an atom of the element oxygen and the formula for a molecule of oxygen differ.

A sample of gas is transferred from a 75 ml vessel to a 500.0 ml vessel if the initial pressure of the gas is 145 atm and if the temperature is held constant what is the pressure of the gas sample in the 500.0 ml vessel?

Ionic bonds, like all chemical bonds, form in order to make the new substance formed

Identify and briefly describe two ecosystems in your community that are beyond schoolyard

Is N2H2 a ionic compound?

What do Lewis dot structures show?

300 grams of a compound which contains only carbon, hydrogen and oxygen is analyzed and found to contain the exact same percentage of carbon as it has oxygen. The percentage of hydrogen is known to be 5.98823%.

What element has the electron arrangement 2,8,4?