On a floor directly underneath a second-floor balcony, there are several spherical drops of blood about 7 mm in diameter. which statement best accounts for the drops?

the drops dripped from a bloody knife about 2 ft above the ground.

the drops fell from a bloody object on the edge of the balcony.

the drops were caused by a gunshot.

the drops were caused by a blunt-force trauma.

What is the equation for electrical work?

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom

In a hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. how many unique charge-pairs are there (without double counting)?