The mass number of iodine is 126, and it's in the 53rd place in the periodic table. It has

protons and

neutrons.

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Which of the following energy sources is NOT a type of coal or coal-precursor? Peat Petroleum Lignite Anthracite

You add 50mL of water at 10 degrees c to 50 mL of water at 80 degrees c. What is the most likely final temperature of the mixture?

How does a wheel and axle change direction

Which part of your ear do sound waves enter through?

An object is moving with constant velocity. Which of the following statements is true? A) The net force on the object is zero. B) A constant force is being applied in the direction of motion. C) There are no forces acting on the object.

You then decide to throw another disc to your friend in the tree for fun. If you throw the disc at a speed of 10 m/s and your friend catches it 5.0 m above you, what was the speed of the disc just before your friend catches it

Which is true? An ideal emf device has internal resistance and a real emf device does not. A real emf device sets up a potential difference and an ideal emf device does not.

An object is released from rest on a planetthat has no atmosphere. The object fallsfreely for 2.03 m in the first second. What is the magnitude of the accelerationdue to gravity on the planet?

Properties of elements within a ... on the periodic table change in a predictable way from one side of the table to the other

Two cards are drawn at random with replacement. Find P (not blue, then pink). (Remember, percent is a fraction with 100 in the denominator.)