Which type of element has the following general properties: solid at room temperature, high luster, good conductor of heat and electricity, malleable and ductile?

The number of valence shells are responsible for the makeup of the chemical properties of elements. A. True B. False

The energy of motion best describes which of the following The energy of fusion The energy of an electrical charge Potential energy Kinetic energy

What happens when a balloon is rubbed with a woollen cloth?

Isotopes are atoms with identical numbers of __ and different numbers of __. protons; electrons neutrons; protons electrons; neutrons protons; neutrons

An energetic graduate student decides to do a voltage clamp experiment in which she clamps a single voltage gated-sodium channel and holds it at voltages ranging from - 100 to + 100 mV.

In a laboratory experiment, a diffraction grating produces an interference pattern on a screen. If the number of slits in (including the slit spacing) the same, then The fringes stay the same brightness and get closer together.

The gravitational potential has a zero value gravitational field in the same place is? Maximum or null indeterminate

In four-seater countries, temperature drops below 0 ° C during peak winter. Why only the frozen surface of the water instead of the whole river and the lake freezes?

Which type of circuit is more useful and why

how much current is in a circuit that includes a 9-volt battery and a bulb with a resistance of 3 ohms?