What is the opposite of Patronising?
What is the opposite of Patronising?
Antonyms: inferior. Synonyms: patronizing, condescending, mischievous, pixilated, prankish, impish, wicked, implike, puckish, arch, arch(a)
What does non condescending mean?
2 indicating refusal or failure. noncooperation.
What is the opposite of condensing?
What is the opposite of condense?
| solidify | harden |
|---|---|
| set | coagulate |
| freeze | gasify |
What is the opposite of melting?
What is the opposite of melt?
| harden | set |
|---|---|
| solidify | arrive |
| coagulate | condense |
| cool | divide |
| fight | freeze |
What is the antonyms of melt?
melt. Antonyms: consolidate, crystallize, indurate. Synonyms: dissolve, liquify, colliquate, run, flow, fuse.
What does hardened mean?
1 : to make or become hard or harder By now the cement has hardened. 2 : to make or become hardy or strong Years of tough work had hardened his muscles. 3 : to make or become stubborn or unfeeling She hardened her heart and refused to forgive him.
What is the other name of melting?
Melting Synonyms – WordHippo Thesaurus….What is another word for melting?
| softening | liquefying |
|---|---|
| solvent | fusible |
| deliquesced |
What is the fusion process?
A fusion reaction is the process whereby two light nuclei join to form a heavier nucleus. Therefore, fusion is a very efficient way of generating energy, much more so than any chemical reaction, like burning wood or oil: one fusion reaction produces about 10 million times the energy of one chemical reaction.
What are the 3 steps of nuclear fusion?
The steps are:
- Two protons within the Sun fuse.
- A third proton collides with the formed deuterium.
- Two helium-3 nuclei collide, creating a helium-4 nucleus plus two extra protons that escape as two hydrogen.
What’s the largest element that is created in a star?
iron
Is Fusion a chemical reaction?
While chemical reactions – such as the rusting of metal or the burning of wood – involve the redistribution of electrons between atoms, nuclear reactions involve the redistribution of nucleons. Alternatively, in the proton-proton nuclear fusion reaction, the nuclei of two hydrogen atoms merge together to form helium.
What are the 2 types of nuclear reactions?
The two general kinds of nuclear reactions are nuclear decay reactions and nuclear transmutation reactions. In a nuclear decay reaction, also called radioactive decay, an unstable nucleus emits radiation and is transformed into the nucleus of one or more other elements.
What particle is the key to an atom’s identity?
protons
What is the belt of stability?
In nuclear physics, the valley of stability (also called the belt of stability, nuclear valley, energy valley, or beta stability valley) is a characterization of the stability of nuclides to radioactivity based on their binding energy. Nuclides are composed of protons and neutrons.
Is carbon 14 a radioactive isotope?
Carbon-14 (14C), or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons. Its presence in organic materials is the basis of the radiocarbon dating method pioneered by Willard Libby and colleagues (1949) to date archaeological, geological and hydrogeological samples.
How do you know if isotopes are unstable?
Stability of Isotopes of Other Elements
- Elements with atomic number (Z) greater than 82 have no stable isotopes.
- Isotopes of elements with atomic number (Z) less than 20 are likely to be unstable if the neutron to proton ratio is either.
What is a stable nucleus?
Stable nuclei are found to have a balance between the number of repulsive protons and the additional neutrons providing cohesion.
What is considered a stable isotope?
Stable isotopes are elements with the same number of protons but different number of neutrons. Carbon exists as two stable isotopes: 12C, which has six electrons, six protons, and six neutrons, and 13C, which has six electrons, six protons, and seven neutrons.
Which is the most stable nucleus?
Nuclei with 2,8, or 82 protons; or 2,8,82, or 126 neutrons; are generally more stable… magic numbers. Nuclei with an even number of protons or neutrons are more stable than those with odd numbers. These stability factors have been compared to the stability of 2,8,18,32 in electron shells.
Which is not magic number?
Although Z = 92 and N = 164 are not magic numbers, the undiscovered neutron-rich nucleus uranium-256 may be doubly magic and spherical due to the difference in size between low- and high-angular momentum orbitals, which alters the shape of the nuclear potential.
Which is the least stable nucleus?
Fe