A) It is composed of electrons and neutrons B) It is composed of protons and electrons C) It is composed of protons and neutrons D) It is composed of protons only
A) - B) + C) 0
A) have an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have neutrons in their nuclei. D) have an equal number of electrons and protons.
A) digesting food B) cooking eggs C) burning wood D) breaking a pencil
A) Discovery Date B) Alphabetical Order C) Atomic Number D) Atomic Mass
A) Protons and Neutrons B) Protons C) Valence Electrons D) Neutrons
A) color B) density C) shape D) pH
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight protons and neutrons. D) a total of eight neutrons and electrons.
A) protons plus the number of neutrons. B) protons plus the number of electrons. C) protons. D) neutrons.
A) They are usually gases. B) They are extremely nonreactive. C) They are located in the left-most column of the periodic table. D) They form negative ions with a -1 charge.
A) They are extremely rare in nature. B) They form compounds with very bright colors. C) They are highly reactive with both metals and nonmetals. D) a basically nonreactive.
A) have only 1 valence electron B) are nonreactive C) exist in all three states of matter in normal conditions D) are all metals
A) In the bottom rows. B) On the left-most side. C) On the right side. D) In the middle column of the periodic table.
A) color; smell B) location; ionization C) mass;number D) number; mass
A) 12 neutrons B) 6 neutrons C) 3 neutrons D) 8 neutrons
A) Alkaline Earth B) Alkaline Metals C) Noble Gases D) Halogens
A) Halogens B) Akali C) Noble Gases D) Alkaline Earth
A) Alkali B) Alkaline Earth C) Halogens D) Noble Gases
A) Alkali B) Halogens C) Alkaline Earth D) Noble Gases
A) 4 B) 5 C) 2 D) 3
A) nonmetals B) metalloids C) metals
A) Mosely B) Mendleev C) Ms. Watson D) Einstein
A) According to atomic mass B) by date discovered C) alphabetically D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) neutrons B) protons C) nucleus D) electrons
A) color B) flammability C) reactivity D) pH
A) density B) pH C) shape D) texture
A) crushing B) breaking C) adding dye D) burning
A) breaking B) burning C) precipitate forming D) rusting
A) can only be observed by changing the substance B) vary within the same element C) only can be seen in a few elements D) can be observed with senses
A) cn only be observed by changing the substance B) only can be observed in a few elements C) can be observes with the senses D) vary within the same element
A) chemical B) physical
A) chemical B) physical
A) it will sink B) not enough information C) it will float
A) kelvin B) liters C) meters D) second
A) hours B) kilograms C) meters D) grams
A) both accurate and precise B) accurate C) precise D) nethier accurate or precise
A) 1/100 B) 1,000 C) 100 D) 1/1,000
A) control B) constant C) independent D) dependent
A) fertilizer B) strawberries C) length of study D) growth
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x102 B) 9.470x10-2
A) 4.2x103 B) 4.2x10-3
A) 0.0000875 B) 875,000
A) 0.00634 B) 63,400
A) control B) dependent C) constant D) independent
A) beaker B) tongs C) stirring rod D) graduated cylinder
A) 10 B) 16 C) 0 D) 13
A) 17 B) 35 C) 18 D) 19
A) 14 B) 12 C) 10 D) 26
A) 2 B) 10 C) 18 D) 8
A) 0.57 amu B) 115 amu C) 5.7 amu D) 57 amu
A) 1 B) 3 C) 4 D) 2
A) 89.6 mol B) 67.2 mol C) 0.5 mol D) 2 mol
A) 1.72x1023 atoms B) 5.8x1022 atoms C) 21.07 atoms D) 2.107x1024 atoms
A) 2,295ft B) 12,144ft
A) 6.75kg B) 33.3kg
A) Dalton B) Bohr C) Rutherford D) Thomson
A) Chadwick B) Rutherford C) Democritus D) Thomson
A) Rutherford B) Bohr C) Thomson D) Shrodinger and Heisenburg
A) Thomson B) Rutherford C) Bohr 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) Dalton B) Chadwick C) Bohr D) Rutherford
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) larger mass D) smaller mass
A) electrons B) positrons C) neutrons D) protons
A) 0.33g/ml B) 1.33g/ml C) 3g/ml D) 72g/ml
A) 0.094g B) 17.5g C) 10.7g D) 16g |