For elements to have similar physical and chemical properties, what must be true about them?

Determine the mass in grams of each nacl solution that contains 1.5g of nacl

Which description is true of 0.02 M Ca (OH) 2 if Ca (OH) 2 completely dissociates in water? A. It's a dilute strong acid. B. It's a dilute strong base. C. It's a dilute weak base. D. It's a concentrated weak base. E. It's a concentrated weak acid.

Which process is a chemical change? burning a match boiling water melting ice breaking glass

Can someone draw a cell and label all the parts? ill give brainlist

What do we call the horizontal rows on a periodic table?

What is the function of the ribosome

How much energy, in joules, does 150.0 g of water with an initial temperature of 25 C need to absorb be raised to a final temperature of 75 C

What mass of oxygen is contained in a 5.8 g sample of NaHCO3?

Which statement correctly compares the number of chromosomes in a body cell to that in a sex cell of humans? A. A body cell has 21 chromosomes; a sex cell has 23 B. A body cell has 21 chromosomes; a sex cell has two C.

Halocarbons contain carbon, hydrogen, and atoms from which set of elements? 1. lithium, sodium, and potassium 2. nitrogen, oxygen, phosphorus, and sulfur 3. nitrogen, oxygen, and fluorine 4. fluorine, chlorine, bromine, and iodine