Which two elements most likely have the most similar properties?

beryllium and boron

scandium and silicon

nitrogen and phosphorus

hydrogen and helium

The same side of the moon always faces Earth because the

I need to know Number 8,9, and 10.

Which pair of atoms has the most polar bond? (1) H-Br (2) H-Cl (3) I-Br (4) I-Cl

Nitrogen dioxide decomposes at 300°C via a second-order process to produce nitrogen monoxide and oxygen according to the following chemical equation. 2 NO2 (g) → 2 NO (g) + O2 (g). A sample of NO2 (g) is initially placed in a 2.

Determine the mass in grams of 125 mol of neon

Which suitable method can be used to separate a mixture of sand and paraffin

How many vowels does the word love have

What is silicon used for? -matches -gunpowder -glass -steel can coating

A intramuscular medication is given at 5.00mg/kg of body weight. What is the dose in grams for a 180-lb patient?

Nuclear fusion is the source of energy for stars. Besides hydrogen, which other element is most likely also common in stars?