Table of Contents
- 1 What 2 types of elements combine to form most salts?
- 2 When two poisonous elements combine is the new compound poisonous?
- 3 What is formed when 2 or more elements combine?
- 4 Which elements reacts together to form a salt?
- 5 What happens when the atoms of a substance are regrouped quizlet?
- 6 Is chlorine a gas?
- 7 What happens when you dissolve salt in water?
- 8 What kind of chemicals should you never mix together?
What 2 types of elements combine to form most salts?
When two distinct elements are chemically combined—i.e., chemical bonds form between their atoms—the result is called a chemical compound. Most elements on Earth bond with other elements to form chemical compounds, such as sodium (Na) and Chloride (Cl), which combine to form table salt (NaCl).
When two poisonous elements combine is the new compound poisonous?
The compound will not be poisonous, based on the chemical properties of the new substance. The compound may or may not be poisonous, depending on the chemical properties of the new substance. The compound will be more poisonous than the elements, based on the chemical properties of the two elements.
What happens when the atoms of substance are regrouped?
When the atoms of a specific substance are regrouped, a new substance is formed with often vastly different properties from the original substance. Occasionally something completely harmless, or even necessary, can become dangerous or lethal when its molecules (a grouping of two or more atoms) are regrouped.
Are all gases harmful to humans?
Many gases have toxic properties, which are often assessed using the LC50 (median lethal dose) measure. Some, but by no means all, toxic gases are detectable by odor, which can serve as a warning. Among the best known toxic gases are carbon monoxide, chlorine, nitrogen dioxide and phosgene.
What is formed when 2 or more elements combine?
Elements can be chemically combined into compounds, therefore, a compound consists of two or more elements combined, in definite proportions, by chemical means. Compounds may be formed by combining atoms of their constituent elements by ionic bonds or by covalent bonds.
Which elements reacts together to form a salt?
Sodium and chlorine, two highly reactive elements, combine to form the stable compound sodium chloride (ordinary table salt).
What two elements by themselves are poisonous but when combined are a substance that humans eat every day?
The components of salt are sodium and chlorine, both of which are harmful for human consumption and even contact.
What do sodium and chlorine make when combined?
What happens when the atoms of a substance are regrouped quizlet?
When a chemical reaction happens, the atoms in the reactants are regrouped in the products to form substances with different chemical properties. Although there are the same atoms present in both the reactants and the products, the atoms in the reactants were rearranged to create a new substance, sodium chloride.
Is chlorine a gas?
Chlorine is an element used in industry and found in some household products. Chlorine is sometimes in the form of a poisonous gas. Chlorine gas can be pressurized and cooled to change it into a liquid so that it can be shipped and stored. Chlorine gas appears to be yellow-green in color.
What’s the deadliest gas?
Sarin (inhaled) Sarin is one of the deadliest nerve gases, hundreds of times more toxic than cyanide. Just one whiff and you’ll foam at the mouth, fall into a coma, and die.
Which is the most dangerous combination of chemicals?
Acetone is commonly found in nail polish remover and in certain paint or varnish removers. Ammonia and bleach: This combination is dangerous, producing vapors that can cause severe damage to your respiratory system. Vinegar and bleach: If you add a weak acid to bleach, it creates vapors of toxic chloramine and chlorine.
What happens when you dissolve salt in water?
When you dissolve salt in water the sodium chloride dissociates in Na+ ions and Cl- ions, which may be written as a chemical equation: Therefore, dissolving salt in water is an example of a chemical change. The reactant (sodium chloride or NaCl) is different from the products (sodium cation and chlorine anion).
What kind of chemicals should you never mix together?
Take a look at chemicals you should never mix together: Rubbing alcohol and bleach: When blended, this combination makes chloroform. You can also form chloroform by mixing acetone with bleach. Acetone is commonly found in nail polish remover and in certain paint or varnish removers.
What kind of salt is in ocean water?
Over two-thirds of Earth’s surface is covered by ocean water, which is notably saline, or “salty,” in character. (“Sal” is the Latin word for salt.) Table salt is made of the ionic compound sodium chloride, which consists of the chemical elements sodium and chlorine.