A) It is composed of protons and electrons B) It is composed of protons and neutrons C) It is composed of electrons and neutrons D) It is composed of protons only
A) - B) + C) 0
A) have an equal number of electrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have neutrons in their nuclei.
A) breaking a pencil B) cooking eggs C) burning wood D) digesting food
A) Alphabetical Order B) Discovery Date C) Atomic Number D) Atomic Mass
A) Protons B) Neutrons C) Protons and Neutrons D) Valence Electrons
A) color B) pH C) shape D) density
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) protons plus the number of neutrons. B) protons plus the number of electrons. C) protons. D) neutrons.
A) They are located in the left-most column of the periodic table. B) They are usually gases. C) They form negative ions with a -1 charge. D) They are extremely nonreactive.
A) They form compounds with very bright colors. B) a basically nonreactive. C) They are extremely rare in nature. D) They are highly reactive with both metals and nonmetals.
A) are nonreactive B) exist in all three states of matter in normal conditions C) have only 1 valence electron D) are all metals
A) In the bottom rows. B) In the middle column of the periodic table. C) On the right side. D) On the left-most side.
A) color; smell B) mass;number C) number; mass D) location; ionization
A) 8 neutrons B) 3 neutrons C) 6 neutrons D) 12 neutrons
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali Metals
A) Alkaline Earth B) Akali C) Noble Gases D) Halogens
A) Noble Gases B) Alkaline Earth C) Halogens D) Alkali
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkali
A) 3 B) 4 C) 2 D) 5
A) nonmetals B) metalloids C) metals
A) Mendleev B) Ms. Watson C) Mosely D) Einstein
A) According to atomic mass B) alphabetically C) according to atomic number D) by date discovered
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic Mass C) Atomic Number D) Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Mass C) Atomic Number D) Atomic Mass-Atomic Number
A) neutrons B) electrons C) protons D) nucleus
A) flammability B) pH C) color D) reactivity
A) crushing B) burning C) breaking D) adding dye
A) can be observed with senses B) only can be seen in a few elements C) vary within the same element D) can only be observed by changing the substance
A) can be observes with the senses B) vary within the same element C) cn only be observed by changing the substance D) only can be observed in a few elements
A) physical B) chemical
A) chemical B) physical
A) not enough information B) it will float C) it will sink
A) grams B) kilograms C) meters D) hours
A) nethier accurate or precise B) both accurate and precise C) precise D) accurate
A) 1/1,000 B) 1,000 C) 1/100 D) 100
A) independent B) control C) dependent D) constant
A) growth B) length of study C) strawberries D) fertilizer
A) control B) independent C) constant D) dependent
A) graduated cylinder B) stirring rod C) beaker D) tongs
A) 10 B) 0 C) 16 D) 13
A) 18 B) 17 C) 35 D) 19
A) 14 B) 26 C) 12 D) 10
A) 8 B) 18 C) 2 D) 10
A) 57 amu B) 115 amu C) 0.57 amu D) 5.7 amu
A) 2 B) 3 C) 1 D) 4
A) Thomson B) Dalton C) Rutherford D) Bohr
A) Rutherford B) Democritus C) Chadwick D) Thomson
A) Shrodinger and Heisenburg B) Thomson C) Bohr D) Rutherford
A) Bohr B) Rutherford C) Thomson D) Dalton
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Rutherford B) Bohr C) Dalton D) Chadwick
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) Electron number never changes. C) Electrons are positively charged. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) positive charge B) smaller mass C) negative charge D) larger mass
A) neutrons B) positrons C) electrons D) protons
A) 72g/ml B) 0.33g/ml C) 3g/ml D) 1.33g/ml
A) 10.7g B) 24g C) 0.094g D) 17.5g |