Physics, 09.04.2021 16:40 princess6039
Which statement compares the attractive forces that hold particles together?
A. Covalent bonding and Van der Waals forces join molecules
together; ionic and hydrogen bonding produce compounds.
B. Metallic and covalent bonds are strongly attractive; hydrogen
bonding and Van der Waals forces are weakly attractive.
C. Metallic and covalent bonds are weakly attractive; hydrogen
bonding and Van der Waals forces are strongly attractive.
D. Metallic bonds and Van der Waals forces are weakly attractive;
covalent and hydrogen bonds are strongly attractive,
Answers: 2
Physics, 22.06.2019 12:10
An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point
Answers: 1
Physics, 22.06.2019 14:00
Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s
Answers: 2
Physics, 22.06.2019 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
Answers: 3
Which statement compares the attractive forces that hold particles together?
A. Covalent bonding an...
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