Which of the following elements has the smallest first ionization energy a. kb. rbc. lid. na

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

At element makes up all organic compounds?