Physics, 01.12.2020 07:00 berniceallonce22
Plezz define all these terms for 50 points and a brainlist and friend reqest
• atom
• nucleus
• proton
• neutron
• electron
• element
• isotope
• compound
• covalent bond
• molecule
• ion
• ionic bond
• van der Waals force
• chemical reaction
• reactant
• product
• activation energy
• catalyst
• enzyme
• substrate
• active site
• polar molecule
• hydrogen bond
• mixture
• solution
• solvent
• solute
• acid
• base
• pH
• buffer
• macromolecule
• polymer
• carbohydrate
• lipid
• protein
• amino acid
• nucleic acid
• nucleotide
Answers: 3
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Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block
Answers: 1
Physics, 22.06.2019 14:20
A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.
Answers: 3
Physics, 22.06.2019 16:00
Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative
Answers: 1
Plezz define all these terms for 50 points and a brainlist and friend reqest
• atom
• nucleus...
• nucleus...
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