Which notations represent different isotopes of the element sodium?(1) 32S and 34S (3) Na+ and Nao (2) S2- and S6+ (4) 22Na and 23Na
The notations representing the different isotopes of the element sodium are:
4) 22Na and 23Na
The total number of recognized isotopes of sodium is 20. It starts from 18Na upto 37Na with two isomers (22mNa and 24mNa).
23Na is considered as monoisotopic element meaning it has a single stable isotope making it primordial isotope. 23Na is a single isotope since earth was formed. It has a standard atomic mass of 22.989 769 28(2) u.
22Na, a positron-emitting isotope with a long half life = 2.605 years. It is used to create test objects and point sources for PET or positron emission tomography.
Independent Variable Total Weight Added (g) Dependent Variable Volume of Air in Syringe (mL) Control Variable Syringe used, Clip/Clamp used to seal syringe, Ring stand used
Fill in the blanks rigids have ..... volume and.....
Jojo is this really u
Which is an example of potential energy
A coiled spring.
Wheels on roller skates before someone skates.
An archer's bow with the string pulled back.
A raised weight.
Water that is behind a dam.
A snow pack (potential avalanche)
A quarterback's arm before throwing a pass.
A stretched rubber band
its prteey much energy that could potentialy happen
Answer: coiled spring
Explanation: please give me brainlest
Why are the surface temperature on the moon more extreme than the surface temperature on earth
Because The moon doesn't have an atmosphere unlike Earth.
The surface temperature on the moon more extreme than the surface temperature on earth because the moon doesn't have an atmosphere.
What properties do scientists use to identify minerals
Scientists use- Hardness
cleavage gardness color and refection are a few
Read the following selection from the section "What Is Intubation?"Having a tube down your throat isn't exactly pleasant because it affects a patient's ability to talk or eat. But it's important for getting the right amount of air into the lungs. Which answer choice BEST supports the idea that intubation is a necessary part of ventilator treatment? (A) But when the lungs fill up with fluid or become highly inflamed, the lungs can't expand enough, Lutchen says. (B) This actively pushes air into the lungs and can keep the levels of oxygen and carbon dioxide in the blood close to normal. (C) If the ventilator simply blew into a person's mouth, the air might expand their cheeks or leak out of their noes instead of going into the lungs, he says. (D) When the lungs are damaged, the millions of balloons take in oxygen and release carbon dioxide differently than when they are healthy, he says.
It may be required when respiratory distress or airway integrity cannot be achieved or maintained for any reason.
(B) This actively pushes air into the lungs and can keep the levels of oxygen and carbon dioxide in the