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