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Which two particles have roughly the same mass?
Protons and neutrons have almost the same mass.
How many protons neutrons and electrons an atom of titanium have?
Protons: 21 Neutrons: 29 Electrons: Normally 21
How many electrons are in a neutral atom with 12 protons?
Atoms that are neutrally charged will have the same number of protons as electrons, because one proton will cancel out one electron. To achieve a net charge of 0, 12 protons must be countered with 12 electrons.
What are the main ideas in the nuclear theory of the atom?
Atoms consist of a nucleus of protons and neutrons (the vast majority of its mass) surrounded by a cloud of electrons. In neutrally-charged ions the number of electrons equals the number of protons. The mass of an atom is the sum of the neutrons and protons, whereas the atomic number is dictated by the number of protons alone. An atom with a single proton is hydrogen, and all hydrogen atoms possess a single proton in their nucleus. Helium must have two protons, lithium three, and so on. Atoms (essentially indivisible elements) combine to form molecules via sharing electrons. The main three ideas in the nuclear theory of the atom : 1. An atom is electrically neutral, so the number of negative particles (electrons) is equal to the number of positive particles (protons). 2. An atom is almost entirely empty space, but may be occupied by extremely small, negatively-charged particles called electrons. 3. The positive charge of an atom is located in the center of the atom (the nucleus) which also contains nearly all of the mass of the atom.
What is a carbon atom made of?
Carbon atoms are defined as those atoms which have 6 protons in their nucleus. Aside from that I will note that carbon is a very important element. All forms of life that we know of, including ourselves, could not exist without carbon atoms.
When calculating an atoms approximate mass how is the mass of electrons figured?
electrons are the same as protons
What does Bohrs diagram represent?
it represents where the atoms, protons, Atomic Mass, atomic number, and electrons where they are located on the nucleus.
What tells you how many atoms of an element there are?
the atomic mass, which is the mass of its protons and neutrons and electrons together
What is the collective mass of 16 microcoulombs and 100000000000000 electrons?
The mass of electrons is negligible compared to the mass of protons and neutrons in an atom. Therefore, the collective mass of 16 microcoulombs and 100000000000000 electrons would be determined mainly by the mass of the protons and neutrons in the atoms involved in the charge.
What determines an atoms atomic mass?
It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.
Why don't he include the electron in atoms mass?
when compared to the mass of protons and neutrons, the mass of the electrons is negligible and hence not included in atomic mass.
If a certain atoms has 6 protons 6 electrons 7 neutrons what will be its mass number?
If you're asking about atomic mass then the answer would be 13. Protons + Neutrons = Atomic Mass
What Make up 50 percent of the atomic mass of the nucleus?
Well, this is not exact, but smaller atoms have about the same number (and mass) of neutrons and of protons. Heavier atoms have a larger percentage of their mass in neutrons.Well, this is not exact, but smaller atoms have about the same number (and mass) of neutrons and of protons. Heavier atoms have a larger percentage of their mass in neutrons.Well, this is not exact, but smaller atoms have about the same number (and mass) of neutrons and of protons. Heavier atoms have a larger percentage of their mass in neutrons.Well, this is not exact, but smaller atoms have about the same number (and mass) of neutrons and of protons. Heavier atoms have a larger percentage of their mass in neutrons.
In what way do these atoms corresponds and in what way do they differin terms of their mass numbers?
Atoms correspond in that they are all made up of protons, neutrons, and electrons. However, they differ in their mass numbers, which is the sum of protons and neutrons. Atoms of different elements have different mass numbers due to varying numbers of protons and neutrons.
Which two particles have roughly the same mass?
Protons and neutrons have almost the same mass.
What are the three fundamental particles that make up atoms?
Atoms are the basic constituents of matter. Protons, Neutrons, And Electrons are the main partilces. Electrons orbit outside nucleus. Protons and neutrons reside in the nucleus.
How many protons electrons and neutrons does 31potassium have?
From the periodic table, potassium has an atomic number of 19. This means that potassium atoms have 19 protons in their nuclei. In a neutral atom, the number of protons equals the number of electrons. Therefore, potassium atoms have 19 electrons. Mass number is the sum of protons and neutrons in the nucleus of an isotope. If you know the mass number and number of protons, subtract the number of protons from the mass number. In the case of potassium-31, the mass number is 31. So, subtract 19 from 31 and you get 12, which is the number of neutrons. So the atoms of potassium-31 has 19 protons, 19 neutrons, and 12 neutrons.
