It reacts vigorously with water. It is so soft that it can be easily cut with a knife. They are very soft metals that can be cut with a knife. Non-metals is essential for our life … Get the answers you need, now! WCP. The Group I metals are soft enough to dent with your fingernail: cesium (0.2), rubidium (0.3), potassium (0.4), sodium (0.5), lithium (0.6). 3. Group 1 Metals are the most reactive metals on the periodic table and do not exist free in nature. They must be stored under oil or they will quickly oxidize . Alkali metals react with both oxygen and water. Two soft metals which can be cut with a knife. The alkali metals have the following properties in common: they have low melting and boiling points compared to most other metals. When cut, the exposed metal tarnishes quickly and forms a dull oxide coating. The two metals are Sodium and potassium. The lanthanides are soft metals that can be cut with a knife. Name the following: 1. • Cerium makes up 50 percent of an alloy called misch (MIHSH) metal. 2. Soft and can be cut with a knife. 2. Low melting point (below 200 degrees celcius). Low melting point (below 200 degrees celcius). The proper answer is the alkali metals. What is a soft metal which can be cut by a knife hint- it is not a liquid material it is a solid form of material - Science - Materials Metals and Non-Metals Sodium is a very soft metal that you can cut with a knife as are most other metals in its group. Very soft. Sodium and potassium are exceptions to many of the metals chemical and physical properties Hope This Helps You! Low melting point (below 200 degrees celcius). Relevance. they are very soft and can be cut easily with a knife. An element A is soft and can be cut with a knife. NCERT Class VIII Science - Exemplar Problems Chapter 4. Gold is soft, if it is fairly thin it can be cut with a knife. Materials: Metals and Non-Metals He cut a small slice off as if it were cheese and plunged it into a container of water where it appeared to dance as it burned. It is so light that it can float in water. Sodium. metal which can be cut by knife? Our chem teacher took a lump of metallic sodium out of a jar filled with oil. Sodium is a very soft metal that can easily be cut with the help of a knife.