SecretStupid SecretStupid

03-06-2020
Biology

contestada

What is the mass number of an ion with 106 electrons, 157 neutrons, and a +1 charge?

The answer is NOT 126

Respuesta :

03-06-2020

#electrons equal #protons = 106
Plus 1 charge => m protons = 106 + 1 = 107
Mass number: 107 + 157 = 264 g/mol

Answer Link

Otras preguntas

A block of mass 3 kg slides down a frictionless inclined plane of length 6 m and height 4 m. If the block is released from rest at the top of the incline, what

An object of mass 2 kg has a linear momentum of magnitude 6 kg • m/s. What is this object’s kinetic energy?

A biome that contains a layer of permanently frozen soil, called permafrost, would be classified as A. taiga B. desert C. tundra D. savannah E. temperate decidu

What is the average of 30, 40, and 80?

Which technological development enabled European navigators to determine their location during the Age of Exploration? (1) lateen sail (2) astrolabe (3) cross

In the formula e = hf, if e is doubled and f is halved, what happens to the value of h?

A block of mass 3 kg slides down a frictionless inclined plane of length 6 m and height 4 m. If the block is released from rest at the top of the incline, what

A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?

A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?

Meg pounded a stake into the ground. When she attached a leash to both the stake and her dog’s collar, the dog could reach 9 feet from the stake in any directio