A) It is composed of protons and electrons B) It is composed of protons only C) It is composed of protons and neutrons D) It is composed of electrons and neutrons
A) + B) - C) 0
A) have an equal number of neutrons and protons. B) have an equal number of electrons and protons. C) have neutrons in their nuclei. D) have an equal number of charged and noncharged particles.
A) digesting food B) burning wood C) cooking eggs D) breaking a pencil
A) Discovery Date B) Atomic Mass C) Atomic Number D) Alphabetical Order
A) Protons B) Neutrons C) Protons and Neutrons D) Valence Electrons
A) pH B) shape C) density D) color
A) a total of eight neutrons and electrons. B) eight neutrons in its nucleus. C) a total of eight protons and neutrons. D) eight protons in its nucleus.
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 form compounds with very bright colors. B) a basically nonreactive. C) They are highly reactive with both metals and nonmetals. D) They are extremely rare in nature.
A) exist in all three states of matter in normal conditions B) are nonreactive C) have only 1 valence electron D) are all metals
A) On the left-most side. B) In the middle column of the periodic table. C) In the bottom rows. D) On the right side.
A) location; ionization B) color; smell C) number; mass D) mass;number
A) 6 neutrons B) 8 neutrons C) 12 neutrons D) 3 neutrons
A) Alkali Metals B) Alkaline Earth C) Noble Gases D) Halogens
A) Akali B) Noble Gases C) Alkaline Earth D) Halogens
A) Alkali B) Noble Gases C) Alkaline Earth D) Halogens
A) Noble Gases B) Alkaline Earth C) Halogens D) Alkali
A) 2 B) 3 C) 5 D) 4
A) metalloids B) metals C) nonmetals
A) Ms. Watson B) Mendleev C) Mosely D) Einstein
A) by date discovered B) alphabetically C) according to atomic number D) According to atomic mass
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) protons B) neutrons C) nucleus D) electrons
A) reactivity B) color C) pH D) flammability
A) adding dye B) burning C) breaking D) crushing
A) only can be seen in a few elements B) can only be observed by changing the substance C) can be observed with senses D) vary within the same element
A) can be observes with the senses B) only can be observed in a few elements C) cn only be observed by changing the substance D) vary within the same element
A) chemical B) physical
A) chemical B) physical
A) it will sink B) it will float C) not enough information
A) meters B) kilograms C) hours D) grams
A) accurate B) both accurate and precise C) precise D) nethier accurate or precise
A) 100 B) 1/100 C) 1,000 D) 1/1,000
A) independent B) constant C) dependent D) control
A) growth B) length of study C) fertilizer D) strawberries
A) constant B) independent C) control D) dependent
A) beaker B) stirring rod C) tongs D) graduated cylinder
A) 0 B) 10 C) 16 D) 13
A) 35 B) 17 C) 18 D) 19
A) 14 B) 26 C) 12 D) 10
A) 10 B) 18 C) 2 D) 8
A) 115 amu B) 5.7 amu C) 57 amu D) 0.57 amu
A) 1 B) 4 C) 3 D) 2
A) Rutherford B) Thomson C) Dalton D) Bohr
A) Thomson B) Chadwick C) Rutherford D) Democritus
A) Bohr B) Shrodinger and Heisenburg C) Rutherford D) Thomson
A) Bohr B) Thomson C) Dalton D) Rutherford
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) Chadwick B) Rutherford C) Dalton D) Bohr
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) Electrons are positively charged. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) Electron number never changes.
A) positive charge B) smaller mass C) larger mass D) negative charge
A) protons B) positrons C) electrons D) neutrons
A) 0.33g/ml B) 3g/ml C) 72g/ml D) 1.33g/ml
A) 10.7g B) 24g C) 17.5g D) 0.094g |