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