subject

Chemistry, 22.01.2021 20:30 senituliii

Below are some nuclei containing different numbers of protons and neutrons. Which one is an isotope of potassium? * A)20 protons, 20 neutrons
B) 17 protons, 22 neutrons
C) 18 protons, 21 neutrons
D) 19 protons, 19 neutrons

ansver

Answers: 3

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 00:50

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

Answers: 1

question

Chemistry, 22.06.2019 04:30

Turbo the snail moves across the ground at a pace of 12 feet per day. if the garden is 48 feet away, how many days will it take for the snail to get there?

Answers: 2

question

Chemistry, 22.06.2019 05:00

As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary

Answers: 1

question

Chemistry, 22.06.2019 22:30

What must be in balance for temperatures to remain constant?

Answers: 1

You know the right answer?

Below are some nuclei containing different numbers of protons and neutrons. Which one is an isotope...

Questions

question

Biology, 17.07.2019 02:30

What type of protein speeds up the rate of a chemical reaction in a living thing?...

question

Mathematics, 17.07.2019 02:30

What are the slope and y-intercept of the linear function graphed to the left? slope: –2; y-intercept: 2 slope: ; -1/2y-intercept: 1 slope: ;...

question

History, 17.07.2019 02:30

Me will up-vote which nation was part of the axis powers? a. china b. great britain c. germany d. france...

question

Mathematics, 17.07.2019 02:30

Solve 4 over x minus 4 equals the quantity of x over x minus 4, minus four thirds for x and determine if the solution is extraneous or not. (1 point)...

question

Mathematics, 17.07.2019 02:30

Write the quadratic function in the form =fx+a? xh2k . then, give the vertex of its graph. =fx+? 3x218x28...

question

English, 17.07.2019 02:30

I'm really stuck on this one read this excerpt from chapter 6 and answer the question. “gal, ah’m crazy ‘bout you,” charlie goes on to the entertainm...

question

English, 17.07.2019 02:30

Which word best describes the tone of emperor qian long's letter? a. embarrassed b. morose c. condescendingd. suspicious?...

question

Mathematics, 17.07.2019 02:30

Tatiana ran a marathon with a average speed of 0,09 miles per minute. what was here speed to the nearest mile per hour...

question

Mathematics, 17.07.2019 02:30

Ezra is training for a track race. he starts by sprinting 100 yards. he gradually increases his distance, adding 5 yards a day for 21 days. which expl...

question

Mathematics, 17.07.2019 02:30

It costs 12 dollars to get in to the fair. tickets for rides cost extra and are d dollars each. if tyra buys 20 tickets, how much would it cost her fo...

question

Mathematics, 17.07.2019 02:30

Many people seem to have trouble planning for retirement because it seems so far in the future. true or false?...

question

Mathematics, 17.07.2019 02:30

Evaluate the expression using x = –1 and y=3. (6x4y3) what is the value of the expression? –162 –54 162 216...

question

Biology, 17.07.2019 02:30

In discrete trial instruction, the time after one trial ends and the other begins is called the:...

question

Biology, 17.07.2019 02:30

Refer to the erg to find the suggested first aid for acetylene exposure....

question

Business, 17.07.2019 02:30

One place where the average viewer is likely to be exposed to avant-garde cinema (or at least its influence) is in:...

question

Social Studies, 17.07.2019 02:30

The process of trying to reach the same conclusion via different methods is known as "squaring the results" question 10 options: 1) true 2) false...

question

Biology, 17.07.2019 02:30

What is the best way to get the right amount of vitamins needed from proper growth and development? a)take a multi-vitamin daily. b)eat a variety o...

question

Biology, 17.07.2019 02:30

What substance speeds up the rate of a chemical reaction?...

question

Biology, 17.07.2019 02:30

Astudent designs an experiment to test substances x, y, and z, to determine which one is a catalyst for the reaction: a + b ® c. only one of the unkn...

question

Mathematics, 17.07.2019 02:30

35 points plez me the table shows the amount of water left in a pool over time as it is being drained. the table represents a linear function. time (...

More questions: Chemistry Another questions

Questions on the website: 13722360