Table of Contents
- 1 What is the first element in Group 14?
- 2 What is unique about Group 14 on the periodic table?
- 3 What does CF stand for in the periodic table?
- 4 Which of the group 14 elements has the highest density in its standard state?
- 5 Is a metalloid in group 14 of the modern periodic table?
- 6 How do you make californium?
- 7 What is the family name for Group 15 on the periodic table?
- 8 What are the characteristics of Group 14 elements?
What is the first element in Group 14?
Carbon
Carbon is the first element in this 14th group of elements. It is one of the most plentily available elements present on our earth.
What is unique about Group 14 on the periodic table?
Group 14 is the carbon family. The five members are carbon, silicon, germanium, tin, and lead. All of these elements have four electrons in their outermost energy level. Of the Group 14 elements, only carbon and silicon form bonds as nonmetals (sharing electrons covalently).
Which element is in group 14 element 3?
The carbon family consists of the elements carbon (C), silicon (Si), germanium (Ge), tin (Sn), lead (Pb), and flerovium (Fl).
What does CF stand for in the periodic table?
Californium is a chemical element with symbol Cf and atomic number 98. Classified as an actinide, Californium is a solid at room temperature.
Which of the group 14 elements has the highest density in its standard state?
Osmium is the densest naturally occurring element. When experimentally measured using x-ray crystallography, it has a density of 22.59 g/cm3.
Which of the following compounds is group 14?
Tetrahydrides
Compound | Chemical formula |
---|---|
carbon tetrahydride hydrogen carbide methane (carbane) | CH4 |
silicon tetrahydride hydrogen silicide (silane) | SiH4 |
germanium tetrahydride hydrogen germanide (germane) | GeH4 |
tin tetrahydride hydrogen stannide (stannane) | SnH4 |
Is a metalloid in group 14 of the modern periodic table?
Group 14 is called the carbon group. This group contains two metalloids: silicon and germanium. Carbon is a nonmetal, and the remaining elements in this group are metals. The metalloids in this group are arsenic and antimony.
How do you make californium?
Californium was first made in 1950 at Berkeley, California, by a team consisting of Stanley Thompson, Kenneth Street Jr., Albert Ghiorso, and Glenn Seaborg. They made it by firing helium nuclei (alpha particles) at curium-242. The process yielded the isotope californium-245 which has a half-life of 44 minutes.
What is the only nonmetal in Group 14 of the periodic table?
GROUP 14 ( CARBON FAMILY ) PRELUDE. Carbon (C), Silicon (Si), Germanium (Ge), Tin (Sn) and Lead (Pb) belong to group-14 of the periodic table. This group is also known as carbon family. A regular gradation of non metallic nature to metallic nature through semi-metallic nature is observed in this group.
What is the family name for Group 15 on the periodic table?
Pnictogens- Group 15 (VA) ||. The pnictogen group, or nitrogen group, is located in column 15 of the periodic table. This family consists of the elements nitrogen, phosphorus, arsenic, antimony, bismuth , and ununpentium (N, P, As, Sb, Bi, and Uup, respectively).
What are the characteristics of Group 14 elements?
Group 14 (carbon family) elements have much higher melting points and boiling points than the group 13 elements. Melting and boiling points in the carbon family tend to decrease moving down the group, mainly because atomic forces within the larger molecules are not as strong.
What are the names of the groups on the periodic table?
The periodic table has eight main groups: 1, 2, 13, 14, 15, 16, 17, and 18 (previously numbered Ia, IIa, IIIa, IVa, Va, VIa, VIIa, and 0, respectively).