Each chemical element is characterized to the number of protons that an atom of that element contains, called it atomic number.

Câu hỏi liên quan

• Recently in the automobile industry, multinational companies have developed to the point where such few cars can be described as having been made entirely in one country.

• The oxygen in the air we breathe has no tasted, smell, and color.

• It is estimated that about 640 women remain illiterate in ............ world, mostly in developing countries. 

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• If we hadn’t got lost, we ____arrived much earlier. 

• I’m just going to the shops; if anyone rings, tell them I will be back for a few minutes.

• Despite television is the dominant entertainment medium for United States households, Garrison Keillor’s Saturday night radio show of folk songs and stories is heard by millions of people.

• Since rats are destructive and may carry diseases, therefore many cities try to exterminate them

• Canada is made up of ten provinces and two territories, with governmental powers being divided between the federal government or the provinces.

• In the United States, the leading butter-producing states which are Wisconsin, California, and Minnesota.

• Some psychologist believe that those who are encouraged to be independent, responsible, and competent in childhood are likely more than others to become motivated to achieve.

• The homes created by the legendary architect Frank Lloyd Wright are still viewed as uniquely innovative, and valuable.

• Vitamin E, which is found in nutritious foods such as green vegetables and whole grains, action as an antioxidant in cell membranes.

• In winter it is important for farmers to provide food and warm for their animals

• To see the statue of Liberty and taking picture from the top of the Empire State Building are two reasons for visiting New York City.

• Life expectancy has increased a great deal in spite of modern medicine and technology.

• ................... blue is .................. color I like. 

• The news today are always full of stories about people who are unhappy.

• Economists have tried to discouragethe use of the phrase “underdeveloped nation” and encouraging the more accurate phrase “developing nation” in order to suggest an ongoing process.

• With its strong claws and many protruding tooth, a gopher is an excellent digger

• If the airplane ticket wasn’t expensive, I could fly to Singapore for my holidays.