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