Atomic Number 19

The atomic number of an element X is 19. The number of electrons in its ion `X^(+)` will be.

Here is a list of the elements sorted by atomic number.

Element name	Element symbol	Atomic number
Hydrogen	H	1
Helium	He	2
Lithium	Li	3
Beryllium	Be	4
Boron	B	5
Carbon	C	6
Nitrogen	N	7
Oxygen	O	8
Fluorine	F	9
Neon	Ne	10
Sodium	Na	11
Magnesium	Mg	12
Aluminium	Al	13
Silicon	Si	14
Phosphorus	P	15
Sulfur	S	16
Chlorine	Cl	17
Argon	Ar	18
Potassium	K	19
Calcium	Ca	20
Scandium	Sc	21
Titanium	Ti	22
Vanadium	V	23
Chromium	Cr	24
Manganese	Mn	25
Iron	Fe	26
Cobalt	Co	27
Nickel	Ni	28
Copper	Cu	29
Zinc	Zn	30
Gallium	Ga	31
Germanium	Ge	32
Arsenic	As	33
Selenium	Se	34
Bromine	Br	35
Krypton	Kr	36
Rubidium	Rb	37
Strontium	Sr	38
Yttrium	Y	39
Zirconium	Zr	40
Niobium	Nb	41
Molybdenum	Mo	42
Technetium	Tc	43
Ruthenium	Ru	44
Rhodium	Rh	45
Palladium	Pd	46
Silver	Ag	47
Cadmium	Cd	48
Indium	In	49
Tin	Sn	50
Antimony	Sb	51
Tellurium	Te	52
Iodine	I	53
Xenon	Xe	54
Caesium	Cs	55
Barium	Ba	56
Lanthanum	La	57
Cerium	Ce	58
Praseodymium	Pr	59
Neodymium	Nd	60
Promethium	Pm	61
Samarium	Sm	62
Europium	Eu	63
Gadolinium	Gd	64
Terbium	Tb	65
Dysprosium	Dy	66
Holmium	Ho	67
Erbium	Er	68
Thulium	Tm	69
Ytterbium	Yb	70
Lutetium	Lu	71
Hafnium	Hf	72
Tantalum	Ta	73
Tungsten	W	74
Rhenium	Re	75
Osmium	Os	76
Iridium	Ir	77
Platinum	Pt	78
Gold	Au	79
Mercury	Hg	80
Thallium	Tl	81
Lead	Pb	82
Bismuth	Bi	83
Polonium	Po	84
Astatine	At	85
Radon	Rn	86
Francium	Fr	87
Radium	Ra	88
Actinium	Ac	89
Thorium	Th	90
Protactinium	Pa	91
Uranium	U	92
Neptunium	Np	93
Plutonium	Pu	94
Americium	Am	95
Curium	Cm	96
Berkelium	Bk	97
Californium	Cf	98
Einsteinium	Es	99
Fermium	Fm	100
Mendelevium	Md	101
Nobelium	No	102
Lawrencium	Lr	103
Rutherfordium	Rf	104
Dubnium	Db	105
Seaborgium	Sg	106
Bohrium	Bh	107
Hassium	Hs	108
Meitnerium	Mt	109
Darmstadtium	Ds	110
Roentgenium	Rg	111
Copernicium	Cn	112
Ununtrium	Uut	113
Flerovium	Fl	114
Ununpentium	Uup	115
Livermorium	Lv	116
Ununseptium	Uus	117
Ununoctium	Uuo	118

Name: Potassium Symbol: K Atomic Number: 19 Atomic Mass: 39.0 Number of Protons/Electrons: 19 Number of Neutrons: 20 Classification: Alkali Metals Discovery: 1807.
Atomic number=19 Since atomic number = number of protons = number of electrons =19 Unipositive ion is obtained by removing an electron.
A potassium atom (atomic number 19) and a bromine atom (atomic number 35) can form a chemical bond through a transfer of one electron. The potassium ion that forms has 18 electrons. What best describes the bromide ion that forms? It is a negative ion that has one less valence electron than a neutral bromine atom.
Origin of Name: From the English word potash, meaning pot ashes, and the Arabic word qali, meaning alkali.The symbol K comes from the Latin word kalium, meaning alkali.: Date and Place of Discovery: In 1807 in London, England: Discovered.

Atomic Number List

If an atom has an atomic number of 9 and an atomic mass number of 19, how many protons, neutrons, and electrons does it have?

1 Answer

This isotope of fluorine has 9 protons, 9 electrons and 10 neutrons.

Explanation:

What Is The Atomic Number And Mass Number?The Number Of Protons And The Number Of Neutrons Shall Determine The Mass Number Of An Element. Since The Isotopes Of An Element Have Slightly Diff..

The atomic number is the number of protons #('p'^+')#. In a neutral atom, the number of electrons #('e'^(-)')# equals the number of protons. Mass number is the sum of the protons and neutrons #('n'^0')# of a particular isotope. If you have mass number and atomic number, subtract the atomic number from the mass number to get the number of neutrons. #('Mass number') - ('atomic number')='number of neutrons'#.

There are:
9 protons
9 electrons
10 neutrons

Fluorine is the element in question, as its atomic number is #9#. You would name this particular isotope using the mass number. How to set up hotmail in outlook for mac in office 365. It would be called fluorine-19.

The nuclear or isotopic notation would be #'_9^19'F'#.

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