Based on their location in the periodic table which two elements are most likely to from covalent bonds with each other. Magnesium (Mg) and sulfur (S)
Potassium (K) and Iodine (I)
Sodium (Na) and Bromine (Br)
Nitrogen (N) and Oxygen (O)

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?