Biology

Biology, 14.07.2019 12:00, kipper5760

How many protons and electrons does magnesium have

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Chemistry, 11.07.2019 03:30, rclara34oxbrr9

Ascientist examining the periodic table sees that the element magnesium (mg) has the atomic number 12. based on this knowledge, what does the scientist immediately know is true about magnesium atoms? a magnesium atoms have 12 neutrons. b magnesium atoms have 6 protons and 6 electrons. c magnesium atoms have 12 protons. d magnesium atoms have 6 protons and 6 neutrons.

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Physics, 03.08.2019 12:00, ennaturan

When one material is rubbed against another, electrons jump readily from one to the other. why don't protons do that? 1. electrons can attract each other while protons repel each other. 2. electrons are easily dislodged from the outer regions of atoms, but protons are held tightly within the nucleus. 3. electrons are much heavier than protons. 4. electrons are much lighter than protons. 5. electrons travel at the speed of light while protons move very slowly?

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Chemistry, 27.08.2019 21:00, ddddre3909

Ascientist examining the periodic table sees that the element magnesium (mg) has the atomic number of 12. based on this knowledge, what does the scientist immediately know is true about magnesium atoms? magnesium atoms have 12 protons. magnesium atoms have 6 protons and 6 electrons. magnesium atoms have 12 neutrons. magnesium atoms have 6 protons and 6 neutrons.

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Physics, 05.11.2019 02:31, jerrygentry3411

Kiki makes a table to compare the particles in a magnesium atom to those in a magnesium ion. she knows that a magnesium ion has an electric field that points away from the ion. what values should she use to complete her table? (the table looks something like this: magnesium atom magnesium ion protons (magnesium atom)12 (and magnesium ion) x neutrons (ma)12 (mi)y electrons (ma) 12 (mi) z a. x: 14 y: 12 z: 12 b.x: 12 y: 12 z: 10 c. x: 12 y: 10 z: 12 x: 12 d. y: 12 z: 14

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