A) It is composed of protons and electrons B) It is composed of protons and neutrons C) It is composed of protons only D) It is composed of electrons and neutrons
A) - B) 0 C) +
A) have an equal number of charged and noncharged particles. B) have an equal number of electrons and protons. C) have neutrons in their nuclei. D) have an equal number of neutrons and protons.
A) burning wood B) cooking eggs C) digesting food D) breaking a pencil
A) Atomic Number B) Discovery Date C) Alphabetical Order D) Atomic Mass
A) Protons B) Valence Electrons C) Neutrons D) Protons and Neutrons
A) color B) density C) shape D) pH
A) a total of eight protons and neutrons. B) eight protons in its nucleus. C) a total of eight neutrons and electrons. D) eight neutrons in its nucleus.
A) protons. B) protons plus the number of electrons. C) protons plus the number of neutrons. D) neutrons.
A) They are located in the left-most column of the periodic table. B) They are extremely nonreactive. C) They are usually gases. D) They form negative ions with a -1 charge.
A) They are extremely rare in nature. B) They are highly reactive with both metals and nonmetals. C) They form compounds with very bright colors. D) a basically nonreactive.
A) are all metals B) have only 1 valence electron C) are nonreactive D) exist in all three states of matter in normal conditions
A) In the bottom rows. B) On the left-most side. C) In the middle column of the periodic table. D) On the right side.
A) mass;number B) location; ionization C) number; mass D) color; smell
A) 6 neutrons B) 3 neutrons C) 12 neutrons D) 8 neutrons
A) Alkaline Metals B) Alkaline Earth C) Noble Gases D) Halogens
A) Alkaline Earth B) Akali C) Halogens D) Noble Gases
A) Alkaline Earth B) Halogens C) Noble Gases D) Alkali
A) Halogens B) Noble Gases C) Alkali D) Alkaline Earth
A) 5 B) 3 C) 4 D) 2
A) metalloids B) nonmetals C) metals
A) Einstein B) Mendleev C) Mosely D) Ms. Watson
A) according to atomic number B) alphabetically C) by date discovered D) According to atomic mass
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number-Atomic mass D) Atomic Number
A) protons B) neutrons C) electrons D) nucleus
A) pH B) flammability C) color D) reactivity
A) shape B) texture C) density D) pH
A) adding dye B) burning C) crushing D) breaking
A) burning B) breaking C) precipitate forming D) rusting
A) vary within the same element B) can be observed with senses C) can only be observed by changing the substance D) only can be seen in a few elements
A) cn only be observed by changing the substance B) vary within the same element C) can be observes with the senses D) only can be observed in a few elements
A) physical B) chemical
A) physical B) chemical
A) not enough information B) it will float C) it will sink
A) meters B) liters C) kelvin D) second
A) hours B) grams C) meters D) kilograms
A) precise B) accurate C) both accurate and precise D) nethier accurate or precise
A) 1,000 B) 100 C) 1/100 D) 1/1,000
A) dependent B) control C) independent D) constant
A) strawberries B) length of study C) growth D) fertilizer
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x10-2 B) 9.470x102
A) 4.2x103 B) 4.2x10-3
A) 0.0000875 B) 875,000
A) 0.00634 B) 63,400
A) independent B) dependent C) control D) constant
A) graduated cylinder B) stirring rod C) beaker D) tongs
A) 13 B) 16 C) 0 D) 10
A) 35 B) 19 C) 18 D) 17
A) 26 B) 14 C) 10 D) 12
A) 10 B) 2 C) 8 D) 18
A) 5.7 amu B) 57 amu C) 0.57 amu D) 115 amu
A) 4 B) 2 C) 1 D) 3
A) 2 mol B) 67.2 mol C) 0.5 mol D) 89.6 mol
A) 1.72x1023 atoms B) 5.8x1022 atoms C) 2.107x1024 atoms D) 21.07 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Rutherford B) Thomson C) Bohr D) Dalton
A) Chadwick B) Rutherford C) Democritus D) Thomson
A) Rutherford B) Thomson C) Shrodinger and Heisenburg D) Bohr
A) Rutherford B) Bohr C) Thomson D) Dalton
A) Atoms of the same element are exactly alike. B) All matter is made of atoms. C) Atoms combine to form compounds in simple whole number ratios.
A) Bohr B) Chadwick C) Rutherford D) Dalton
A) Electrons are positively charged. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) Electron number never changes. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) positive charge B) negative charge C) smaller mass D) larger mass
A) electrons B) protons C) positrons D) neutrons
A) 0.33g/ml B) 3g/ml C) 72g/ml D) 1.33g/ml
A) 10.7g B) 17.5g C) 0.094g D) 16g |