Description : Can matter be composed of many small particles called atoms?
Last Answer : Yes, it is true.
Description : What group is composed of one nitrogen and two hydrogen atoms?
Last Answer : no unless yes is the right answer
Description : Which of the following statements is true about terpenes? (a) They are a class of lipids that can be isolated from plants. (b) They contain carbon atoms in multiples of five. (c) They are composed of isoprene units joined together in a head-to-tail fashion. (d) All of the above
Last Answer : All of the above
Description : What is the name of the alkane that is composed of a chain of five carbon atoms?
Last Answer : ANSWER: PENTANE
Description : Of what fatty substance are casparian strips composed? -Biology
Last Answer : answer:
Description : Asbestos (A) Is a natural fibrous mineral substance (B) Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) (C) Contains iron oxide and alumina (D) All the above
Last Answer : Answer: Option D
Description : Choose a statement that correctly defines the term AMALGAM: A. Amalgam is a metallic powder composed of silver, tin, copper and zinc B. Amalgam is an alloy of two or more metals that have been dissolved in ... is mixed with mercury E. Amalgam is an alloy of two or more metals, one of them is tin
Last Answer : C. Amalgam is an alloy of two or more metals, one of them is mercury
Description : As shown in the illustrations of console schematic diagrams, each circuit card and component, such as a relay or indicating lamp, has an identifier attached. This identifier, which is composed of ... where the item may actually be found on the console by section, surface and possible subassembly
Last Answer : Answer: D
Description : A substance whose molecules consist of dissimilar atoms is called?
Last Answer : A substance whose molecules consist of dissimilar atoms is called compound.
Description : What is the name of the process where two or more atoms combine to form a new substance?
Last Answer : A: Chemical bonding.
Description : The half - life of a radioactive substance depends upon (a) Its temperature (b) The external pressure (c) The mass of the substance (d) The strength of the nuclear force between the nucleons its atoms
Last Answer : Ans:(d)
Description : The energy associated with the random motion of molecules or atoms within a substance is?
Last Answer : Thermal energy
Description : If the amount of radioactive substance is increased three times, the number of atoms disintegrated per ubit time would :
Last Answer : If the amount of radioactive substance is increased three times, the number of atoms disintegrated per ubit ... 3)` rd of the original number of atoms
Description : What is a substance that is formed of 2 atoms?
Last Answer : Need answer
Description : What is a pure substance made of 2 or more types of atoms?
Last Answer : This is a chemical compound.
Description : What is a pure substance whose smallest unit is made of atoms of more than one element?
Last Answer : Compound
Description : What is a force that holds together atoms in a substance?
Last Answer : Metal atoms are held together by strong Electrostatic forcesthat make metals typically strong and solid. Non metals are heldtogether by ether Covalent bonds between two non metals, Ionicbonds between a metal and a non metal.
Description : What is a substance formed by an electrostatic attraction between atoms or groups of atoms of opposite charge?
Last Answer : This is an ionic bond.
Description : True or false .During a chemical change atoms are lost or gained to the new substance?
Last Answer : FALSE
Description : A homogeneous reactor is the one, in which the (A) Fissile atoms are evenly distributed throughout the mass of nuclear reactor (B) Same substance (e.g. heavy water) is used as moderator & coolant (C) The fuel and the moderator is mixed to form a homogeneous material (D) All (A), (B) and (C)
Last Answer : (C) The fuel and the moderator is mixed to form a homogeneous material
Description : Is the amount of a substance that contains Avogadro’s number of atoms/molecules. a. mass b. matter c. gram-mole d. volume
Last Answer : gram-mole
Description : Which one of the following best defines the word allotropes ? A Different structural forms of an element B A pair of substances that differ by H+ C Elements that possess properties intermediate between ... a specific number of neutrons E The different phases (solid, liquid or gas) of a substance
Last Answer : A Different structural forms of an element
Description : The removal of two hydrogen atoms from an alcohol yie what type of chemical substance?
Last Answer : ANSWER: ALDEHYDE
Description : Does using nicotine (tobacco/ ciggarettes, etc) enhance similar feelings or offer any benefits outside feeding an addiction (or the physical enjoyment of smoking as an action unrelated to substance)?
Last Answer : longest.question.ever. I’d say the biggest benefit of cigarettes is that it tells you what person not to date. or how they’ll taste when you kiss them.
Last Answer : Special Kind of Involuntary Muscle.