Isotopes

Lithium is two of these but at the same time neither. It's an element.

It is best described as an element, a type of atom with unique properties. If the number of neutrons varied, the multiple lithium atoms would be called isotopes. As for neutral vs. ion, if the number of protons is equal to the number of electrons, it is neutral. If it is not, it is an ion, specifically anion (less protons) or cation (more protons). It will always be a neutral atom or ion.

It will always be an isotope, but only called so when in a group of lithium atoms with various numbers of neutrons.

The atomic number of any bromine atom is 35, and the atomic mass number is the number stated after the element name in the question, in this instance 79.

Uranium-lead dating is often used for dating very old rocks, as it has a long half-life of about 4.5 billion years. This allows for dating rocks that are millions to billions of years old with good accuracy.

Yes, isotopes can be used for human diagnosis through a technique called isotope imaging. Isotopes can be injected into the body and tracked using imaging technology to reveal information about the body's functioning or detect abnormalities, such as in nuclear medicine procedures.

Natural isotopes of silicon are:

28Si - 92,23 % (stable)

29Si - 4,67 % (stable)

30Si - 3,1% (stable)

31Si - traces (radioactive, unstable)

32Si - traces (radioactive, unstable)

Oxygen-16 IS an isotope of oxygen. If you meant to ask the number of isotopes of oxygen, the answer is 3. They are Oxygen-16, -17 and -18.

Oxygen-16 is the most abundant of the isotopes.

Fluorine has an atomic number of 9 and a relative atomic mass of 18.998 403 2(5). This means that it has 9 protons (atomic number). 18.998 403 2(5) is very close to 19 which means that most fluorine atoms have 19 protons and neutrons (added together). Since we already know there are 9 protons there must be 10 neutrons in most fluorine atoms (19-9=10).

Yes, oxygen has three naturally occurring isotopes: oxygen-16, oxygen-17, and oxygen-18. Oxygen-16 is the most abundant, making up about 99.76% of naturally occurring oxygen.

Isotopes do not have a specific charge, as their charge is determined by the number of protons and electrons they possess. Neutral atoms have an equal number of protons and electrons, resulting in no overall charge. However, isotopes of an element can have different numbers of neutrons, which does not affect their charge.

The question is worded a little strangely, but if the alternate wording is correct I can answer.

Calcium 45 has 20 Protons (like all calcium isotopes) and 25 Neutrons. That makes 65 up quarks and 70 down quarks.

Electrons may vary with ionization, but will typically be 20.

The phenomenon in which different compounds have the same molecular and structural formula, but different geometry due to different spatial arrangement of groups with respect to a double bond or a ring is called as geometric isomerism.

Hafnium is a rare element with rare applications:

- component of control rods for nuclear reactors

- component of some alloys

- getter in lamps and tubes

- electrode for plasma cutters

- hafnium dioxide was recently used as an electrical insulator in microprocessors

- hafnium carbide has a very great point of melting (the most refractory compound known today)

- possible use in weapons (USA)

The definitive answer is 'Isotopes have a different numbers of neutrons'.

Taking hydrogen as an example. Iy has three isotopes.

#1 ; protium ; 1 proto and 1 electron 0 neutrons (The commonest isotope)

#2 ; deuterium ; 1 proton , 1 electrons 1 neutron. (Used to make ;heavy water')

#3 ; tritium ; 1 proton , 1 electron, and 2(TWO) neutrons. (Very rare and radio-active).

Isotopes are atoms of the same chemical element that have different masses due to differing numbers of protons in the nucleus. These are all averaged out to give the "normal" atomic mass that's on the periodic table eg: Cl = 35.5 its abundancy is 75% Cl35 and 25% Cl37.

Unstable isotopes can spontaneously undergo changes, transforming them into other isotopes of the same or of different elements. Stable isotopes do not. Some isotopes are very unstable and exist for less than a second; others can exist for billions of years but still be unstable. Many elements consist of more than one isotope. One or more of these isotopes may be unstable.

In isotopes of an element, the nucleus contains different numbers of neutrons while the number of protons remains the same and determines how the atom behaves chemically. There are several types of instability (too few neutrons, too many neutrons) and several types of decay.

Technetium, Promethium, and all elements heavier then Bismuth.

An isotope is unstable because isotopes are only atoms with a change in the number of neutrons. For an atom to become stable, it should have the maximum number of electrons it can have in its outer most shell, but since isotopes only deal with neutrons, this problem is not dealt with in this case. When there is a change in the number of electrons, it is called a ion. It can become stable through ionic bonding, covalent bonding and metallic bonding, depending on the two elements that are meant to bond.

they have different numbers of electrons

I hope it works bye :)

No, carbon-14 is continually being produced in the atmosphere by cosmic rays. While individual carbon-14 atoms will decay over time, new ones are constantly being created. This creates a balance in the amount of carbon-14 in nature.

This is the time in which half the the atoms was disintegrated.

there are many isotopes of hydrogen. they are:-hydrogen -1 protium. hydrogeen - 2 deuterium.hydrogen - 3 tritium. hydrogen - 4 hydrogen - 5 hydrogen - 6 hydrogen - 7

In the nucleus of molybdenum, a neutron undergoes beta decay, transforming into a proton and emitting an electron and an antineutrino. This process converts the element into technetium by increasing the atomic number by one and maintaining the same mass number.

Isotopes (of hydrogen) differ in the number of neutrons in the nucleus of the atoms.