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www.quora.com/How-many-protons-neutrons-and-electrons-does...

So for an atom to be known as a beryllium atom, it must have 4 protons. For example, if an atom has 5 protons, it will no longer be beryllium, but will instead be boron. Any atom that doesn’t have 4 protons is not lithium . The amount of electrons must be the same as the number of protons in the atom for it to be neutrally charged.

hobart.k12.in.us/ksms/PeriodicTable/beryllium.htm

Number of Protons: 4: Number of Neutrons: 5: Number of Electrons: 4: Melting Point: 278.0° C: Boiling Point: 2970.0° C Density: 1.8477 grams per cubic centimeter: Normal Phase: ... Beryllium fluoride (BeF 2) Interesting facts: It does not corrode (rust). It is stronger than steel but is the lightest metal.

www.answers.com/Q/How_many_protons_and_electrons_and...

Beryllium has 4 protons and electrons; the number of neutrons is variable, depending on the isotope. Number of neutrons = Atomic mass of the isotope - Atomic number (for Be is 4)

www.reference.com/science/many-electrons-beryllium-2c4ac8c...

Using a periodic table, the number of electrons is found by finding the atomic number of beryllium, which is four. The atomic number is equal to the number of protons of a given element. However, the number of protons is also the same as the number of electrons for neutral atoms.

www.enotes.com/homework-help/how-many-neutrons-protons...

Beryllium has an atomic number of 4 and an atomic mass of 9. Each atom consists of neutrons, protons and electrons. The number of each of these sub-atomic particles can be calculated by knowing ...

www.chemicalelements.com/elements/be.html

Name: Beryllium Symbol: Be Atomic Number: 4 Atomic Mass: 9.012182 amu Melting Point: 1278.0 °C (1551.15 K, 2332.4 °F) Boiling Point: 2970.0 °C (3243.15 K, 5378.0 °F) Number of Protons/Electrons: 4 Number of Neutrons: 5 Classification: Alkaline Earth Crystal Structure: Hexagonal Density @ 293 K: 1.8477 g/cm 3 Color: gray Atomic Structure

www.answers.com/Q/How_many_protons_dose_Beryllium-9_have

All beryllium atoms have 4 protons and 4 electrons. The number of neutrons is characteristic of a particular isotope, not of beryllium as a whole, and may be determined by subtracting 4, the ...

www.thoughtco.com/protons-neutrons-and-electrons-in-an...

Often, the number of protons and electrons is not the same, so the atom carries a net positive or negative charge. You can determine the number of electrons in an ion if you know its charge. A cation carries a positive charge and has more protons than electrons.

quizlet.com/50422601/biology-sc002-chapter-2-flash-cards

Biology SC002 Chapter 2. STUDY. PLAY. 1) _____ is an example of an element. A) Water B) Carbon C) Glucose ... more protons than electrons B) more electrons than protons C) more neutrons than protons ... Atomic Number = Protons, Mass+Protons+Neutrons. 8) An uncharged atom of gold has an atomic number of 79 and an atomic mass of 197. ...