A) It is composed of electrons and neutrons B) It is composed of protons only C) It is composed of protons and neutrons D) It is composed of protons and electrons
A) - B) + C) 0
A) have an equal number of electrons and protons. B) have an equal number of neutrons and protons. C) have neutrons in their nuclei. D) have an equal number of charged and noncharged particles.
A) breaking a pencil B) cooking eggs C) digesting food D) burning wood
A) Discovery Date B) Atomic Number C) Atomic Mass D) Alphabetical Order
A) Neutrons B) Protons and Neutrons C) Valence Electrons D) Protons
A) pH B) color C) density D) shape
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) a total of eight protons and neutrons. D) eight neutrons in its nucleus.
A) protons. B) protons plus the number of electrons. C) neutrons. D) protons plus the number of neutrons.
A) They are extremely nonreactive. B) They are located in the left-most column of the periodic table. C) They form negative ions with a -1 charge. D) They are usually gases.
A) They are extremely rare in nature. B) a basically nonreactive. C) They are highly reactive with both metals and nonmetals. D) They form compounds with very bright colors.
A) have only 1 valence electron B) are nonreactive C) are all metals D) exist in all three states of matter in normal conditions
A) On the right side. B) On the left-most side. C) In the bottom rows. D) In the middle column of the periodic table.
A) mass;number B) color; smell C) number; mass D) location; ionization
A) 8 neutrons B) 6 neutrons C) 3 neutrons D) 12 neutrons
A) Alkaline Earth B) Alkali Metals C) Noble Gases D) Halogens
A) Halogens B) Noble Gases C) Akali D) Alkaline Earth
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkali
A) Noble Gases B) Alkali C) Halogens D) Alkaline Earth
A) 3 B) 5 C) 4 D) 2
A) metals B) metalloids C) nonmetals
A) Mendleev B) Mosely C) Einstein D) Ms. Watson
A) by date discovered B) according to atomic number C) According to atomic mass D) alphabetically
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Mass
A) electrons B) nucleus C) neutrons D) protons
A) pH B) flammability C) color D) reactivity
A) adding dye B) breaking C) burning D) crushing
A) vary within the same element B) can be observed with senses C) only can be seen in a few elements D) can only be observed by changing the substance
A) vary within the same element B) only can be observed in a few elements C) cn only be observed by changing the substance D) can be observes with the senses
A) physical B) chemical
A) physical B) chemical
A) it will sink B) it will float C) not enough information
A) grams B) kilograms C) hours D) meters
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) control B) independent C) dependent D) constant
A) growth B) length of study C) fertilizer D) strawberries
A) dependent B) control C) constant D) independent
A) stirring rod B) graduated cylinder C) tongs D) beaker
A) 13 B) 0 C) 10 D) 16
A) 18 B) 17 C) 35 D) 19
A) 10 B) 12 C) 14 D) 26
A) 10 B) 18 C) 2 D) 8
A) 0.57 amu B) 57 amu C) 5.7 amu D) 115 amu
A) 2 B) 1 C) 4 D) 3
A) Bohr B) Thomson C) Dalton D) Rutherford
A) Democritus B) Thomson C) Rutherford D) Chadwick
A) Bohr B) Shrodinger and Heisenburg C) Thomson D) Rutherford
A) Thomson B) Dalton C) Bohr D) Rutherford
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) Chadwick B) Dalton C) Rutherford D) Bohr
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) Electron number never changes. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) Electrons are positively charged.
A) positive charge B) larger mass C) negative charge D) smaller mass
A) positrons B) protons C) electrons D) neutrons
A) 3g/ml B) 72g/ml C) 0.33g/ml D) 1.33g/ml
A) 24g B) 10.7g C) 17.5g D) 0.094g |